Dominique Luchart's Blog, page 675
March 19, 2021
Elon Musk shows off SpaceX’s 1st Starship Super Heavy booster, ,
The other half of SpaceX’s Starship deep-space transportation system is starting to come out into the light.
Over the past three months, three full-size prototypes of the 165-foot-tall (50 meters) Starship spacecraft have launched on high-altitude test flights, each time with impressive but ultimately explosive results. However, the company hadn’t showcased any versions of Super Heavy, the 230-foot-tall (70 m) booster that will launch Starship off Earth — until now.
“First Super Heavy booster,” SpaceX founder and CEO Elon Musk said via Twitter on Thursday afternoon (March 18), where he posted a photo of the big rocket at the company’s South Texas site, near the Gulf Coast village of Boca Chica.
Booster 1 “is a production pathfinder, figuring out how to build & transport 70-meter-tall stage. Booster 2 will fly,” Musk said in another Thursday tweet.
Starship and Super Heavy: SpaceX’s Mars-colonizing vehicles in images
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SpaceX CEO Elon Musk shared this photo of the company’s first Starship Super Heavy booster in its hangar near Boca Chica Village in South Texas on March 18, 2021. (Image credit: SpaceX via Elon Musk/Twitter)SpaceX is developing Starship and Super Heavy to get people and payloads to the moon, Mars and other distant destinations. Both vehicles will be fully reusable, Musk has said. Super Heavy will come back to Earth for a vertical landing shortly after liftoff, as the first stages of SpaceX’s Falcon 9 and Falcon Heavy rockets already do, and Starship will be capable of making many trips to and from Mars or the moon. (Starship will be powerful enough to launch itself off both of those bodies, but it needs Super Heavy to get off the much more massive Earth.)
Starship and Super Heavy will start flying soon, if all goes according to Musk’s plan. The billionaire entrepreneur recently said that SpaceX aims to launch Starship to orbit sometime this year, and that he envisions the Starship-Super Heavy duo being fully operational by 2023.
SpaceX already has a Starship mission on the books with a target launch date of 2023 — the “dearMoon” flight around Earth’s nearest cosmic neighbor, which was bought by Japanese billionaire Yusaku Maezawa.
Mike Wall is the author of “ Out There ” (Grand Central Publishing, 2018; illustrated by Karl Tate), a book about the search for alien life. Follow him on Twitter @michaeldwall. Follow us on Twitter @Spacedotcom or Facebook.
Join our Space Forums to keep talking space on the latest missions, night sky and more! And if you have a news tip, correction or comment, let us know at: community@space.com.
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US military to keep wary eye on Chinese and Russian space ambitions under President Biden, ,
The space ambitions of Russia and China will likely stay front and center for the U.S. military during the administration of President Joe Biden, experts say.
During the presidency of Biden’s predecessor, Donald Trump, U.S. officials repeatedly stressed that Russia and China pose a substantial and growing threat to the United States’ long-held space dominance. In 2019, for example, then-Vice President Mike Pence said that the U.S. is in a space race with those two adversaries, “and the stakes are even higher” today than they were during the 1960s Cold War space race with the Soviet Union.
Biden has already pivoted away from a number of Trump policies. But the new president will probably keep a wary eye on Russia and China in the space domain, if the words of his defense secretary, Lloyd Austin, are any guide.
Related: The most dangerous space weapons ever
In written testimony submitted to the Senate Armed Services Committee ahead of his confirmation hearing in January, Austin noted that space is “already an arena of great power competition” and identified China and Russia as the United States’ two main rivals in this sphere, as they are in other domains.
“Chinese and Russian space activities present serious and growing threats to U.S. national security interests,” Austin wrote, identifying Russia as a “key adversary” but singling out China as “the pacing threat.”
“Chinese and Russian military doctrines also indicate that they view space as critical to modern warfare and consider the use of counterspace capabilities as both a means of reducing U.S. military effectiveness and for winning future wars,” he added. “Addressing these challenges in the space domain is central to ‘great power competition’ more generally.”
Those “counterspace capabilities” include anti-satellite (ASAT) technologies, which both Russia and China have been developing and testing. China famously destroyed one of its own defunct satellites during a January 2007 ASAT test, for example, generating a huge new swarm of orbital debris.
In May 2013, China conducted a less destructive test of a different ASAT system, which really caught the attention of officials in the administration of President Barack Obama. It apparently prompted the initiation of a National Intelligence Estimate about the ASAT threat, which in turn kicked off a Department of Defense “Space Strategic Portfolio Review” in May 2014, said Brian Weeden, director of program planning for the Secure World Foundation, a nonprofit organization dedicated to space sustainability.
The goal of the review “was to assess whether the department’s investments aligned with policy and goals in light of the changing threat environment,” Weeden told Space.com.
Shortly thereafter, Gen. John Hyten, then the head of Air Force Space Command, began stressing publicly that the United States couldn’t take its space superiority for granted. In April 2015, for instance, Hyten appeared on a “60 Minutes” segment called “The Battle Above,” which discussed ASAT technology and other components of the escalating competition in the final frontier.
“It’s a competition that I wish wasn’t occurring, but it is,” Hyten said on the show. “And if we’re threatened in space, we have the right of self-defense, and we’ll make sure we can execute that right.”
So, concerns about Russian and Chinese space activities didn’t originate with the Trump administration, and neither did the airing of such concerns. The U.S. defense and intelligence communities have been focused on such activities for a while now, and there’s no reason to expect a big shift under Biden, Weeden said.
But that doesn’t mean there won’t be some changes around the margins.
“I hope there is even more of a public discussion of these issues, because they affect a lot more than just the military. A future conflict in space affects pretty much everybody who’s going to use space,” Weeden said.
“And I also hope there’s more of a public discussion about what our response should be, and what the options are,” he said. “That really hasn’t existed. The Trump administration ramped up the rhetoric and the public discussion of the threats, but did not have a good public debate about what we do about it.”
The U.S. Space Force could be part of the solution, Weeden said, noting that U.S. officials invoked the Chinese and Russian space threat as a key justification for the creation of the nation’s newest military branch. But that fix will not be an immediate one, if it does indeed come; it’ll likely take five to 10 years for the Space Force to upgrade the nation’s space defenses in a meaningful way, Weeden said.
Mike Wall is the author of “ Out There ” (Grand Central Publishing, 2018; illustrated by Karl Tate), a book about the search for alien life. Follow him on Twitter @michaeldwall. Follow us on Twitter @Spacedotcom or Facebook.
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How do tiny pieces of space junk cause incredible damage?, ,
In 2016, European Space Agency astronaut Tim Peake shared a photo of a quarter-inch dent gouged into a glass window of the International Space Station (ISS). The culprit? A tiny fleck of space junk.
The piece of debris, perhaps a paint flake or a metal fragment from a satellite, was only a few thousandths of a millimeter across — not much bigger than a single cell of E. coli.
But how can something so small cause visible damage?
“It all comes down to velocity,” said Vishnu Reddy, an astronomer at the University of Arizona. Objects at the altitude of the ISS and most other satellites — around 250 miles (400 kilometers) above Earth — revolve around our planet once every 90 minutes, according to the European Space Agency. That’s more than 15,600 mph (25,200 km/h), 10 times the speed of an average bullet shot on Earth, Robert Frost, an instructor and flight controller at NASA, wrote on Quora.
Related: What would happen if you shot a gun in space?
The energy of an impact isn’t just related to the size of an object; velocity (speed and direction) are equally important. That’s why a small bullet can cause so much damage; when moving at a high enough velocity, any object could be dangerous, Reddy told Live Science.
Keep in mind that velocity is additive, said Kerri Cahoy, an associate professor of aeronautics and astronautics at the Massachusetts Institute of Technology. So, if two objects are moving toward one another when they collide, that increases the energy of their impact.
“Think of it like driving on a highway,” Cahoy told Live Science. Two fast-moving cars moving in the same direction could touch and just “barely kiss one another,” she said. But if a vehicle — even a lightweight one, like a motorcycle — hits a car while speeding in the opposite direction, it could be disastrous for both drivers.
Likewise, in space, a fast-moving fleck of paint that collides with the ISS can leave a relatively big mark.
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When a fleck of space junk collided with the International Space Station, ESA astronaut Tim Peake snapped a photo of the resulting gouge mark. (Image credit: ESA/NASA)In space, satellites, spacecraft and debris orbit along many different paths; while one object might orbit horizontally around the equator, another might loop vertically around the poles. Some objects even move “in retrograde,” meaning they rotate counter to the Earth’s orbit. As more and more debris clutters space, Earth’s low orbit (in which the ISS rotates) turns into a packed highway at rush hour. “There can be the potential for a lot of damage,” Cahoy told Live Science.
The astronauts onboard the ISS were lucky that a larger piece of debris didn’t hit their window. A microbe-size fragment may leave only a dent, but a pea-size fragment can disable critical flight systems, according to the European Space Agency. A piece of debris the size of a ping-pong ball? “That would be catastrophic,” Reddy said. At that size, space junk could cause the space station to rapidly depressurize, making it impossible for astronauts to breathe onboard, Reddy said.
Space junk is a growing problem. Earth’s orbit contains at least 128 million pieces of debris, and 34,000 of them are larger than about 4 inches (10 centimeters), according to the Natural History Museum in London — and those are just the fragments that are large enough to detect. These smaller pieces form when satellites naturally weather under extreme ultraviolet radiation, when larger pieces of space debris collide or when satellites are intentionally destroyed. Larger pieces include 3,000 derelict satellites, as well as bolts and other parts shed by spacecraft during launches.
By tracking space junk, scientists can tell countries and companies when to maneuver a spacecraft out of the path of a speeding piece of debris, Reddy said. The ISS has performed 25 of these maneuvers since 1999, according to the Natural History Museum. And researchers are developing ways to fish junk out of space, such as using hooks, nets and magnets to pull it back into Earth’s atmosphere.
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Too much space junk could make it dangerous for humans to use Earth’s orbit for satellites and other types of spacecraft. We’re nowhere near that point now, but it’s important to get ahead of the space junk problem to prevent further accumulation, Reddy said.
“We rely on space for so many things: communication, forecasting weather, banking, entertainment and military,” he said. “In terms of our progression as a civilization, we would go many steps backward if we did not have access to space.”
Originally published on Live Science .
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Space station crew will take their Soyuz spacecraft for a spin today and you can watch it live, ,
Crewmembers of the International Space Station will take a brief spin in a Soyuz spacecraft today (March 19), relocating it to make room for the arrival of another Soyuz next month. And you can watch the whole thing live!
NASA astronaut Kate Rubins and two Russian cosmonauts, Sergey Ryzhikov and Sergey Kud-Sverchkov, will undock the Soyuz MS-17 spacecraft today at 12:38 p.m EDT (1638 GMT), according to a statement from NASA. Live coverage will start at 12:15 p.m. EDT (1615 GMT), and you can watch it live here at Space.com, courtesy of NASA TV, or directly via the space agency.
The trio will climb inside the Soyuz, undock it from the Earth-facing port of the station’s Rassvet module, which is primarily used for cargo storage and payload operations, and then fly it over to the space-facing Poisk port, where the crew will redock the vehicle at 1:07 p.m EDT (1707 GMT). The entire spaceflight will take approximately 30 minutes.
Related: The International Space Station
This Soyuz maneuver is the first relocation flight since August 2019, and the 15th Soyuz redocking effort overall. The newly freed up Rassvet port will accommodate another Soyuz, which is due to launch toward the orbiting lab on April 9.
That incoming spacecraft will be carrying NASA astronaut Mark Vande Hei, who may remain on the space station for up to a year, and Russian cosmonauts Oleg Novitsky and Pyotr Dubrov.
Rubins, Ryzhikov and Kud-Sverchkov will return to Earth shortly after the newcomers arrive, departing the orbiting lab on April 17. They will travel in their trusty Soyuz MS-17 spacecraft, which originally launched them to the space station in October 2020.
Follow Samantha Mathewson @Sam_Ashley13. Follow us on Twitter @Spacedotcom and on Facebook.
Join our Space Forums to keep talking space on the latest missions, night sky and more! And if you have a news tip, correction or comment, let us know at: community@space.com.
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NFL significantly expands streaming deals as Amazon nabs Thursday Night exclusive,
The NFL has signed long-term television and digital media rights agreements that greatly expand availability to a variety of streaming platforms. Notably, Amazon has scored exclusive rights to Thursday Night Football in the first ever all-digital package. The deal begins with the 2023 season and extends through 2033.
“NFL games are the most watched live programming in the United States, and this unprecedented Thursday Night Football package gives tens of millions of new and existing Prime members exclusive access to must-watch live football on Prime Video,” said Mike Hopkins, SVP of Prime Video and Amazon Studios in a press release announcing the deal.
The ten-year deal is rumored to cost Amazon about $1 billion per year, according to CNBC‘s sources. Amazon has been the NFL’s streaming media partner since 2017, streaming games on its Prime Video and Twitch platforms. Amazon Prime memberships cost $119 per year.
The NFL has also expanded its digital distribution deals to include ESPN Plus, Paramount Plus, Peacock, and Fox Digital platforms in order to augment broadcasts on CBS, Fox, NBC, and ESPN/ABC. The move should help the NFL reach a younger audience after viewership fell seven percent in the pandemic-stricken 2021 season. CBS’s AFC games will now also stream on Paramount Plus, Fox’s Tubi service will stream NFC games, and Peacock will stream Sunday Night Football. All games that appear on ABC and ESPN will also stream on ESPN Plus.
“These new media deals will provide our fans even greater access to the games they love. We’re proud to grow our partnerships with the most innovative media companies in the market,” said NFL Commissioner Roger Goodell.
Beyond digital, the NFL says it remains committed to showing games for free on over-the-air broadcast television, signing new, 11-year deals with CBS, Fox, NBC, and ESPN / ABC that run through 2033. The major broadcast and cable TV packages for Sunday afternoon games, Sunday Night Football, and Monday Night Football are staying with the same networks. CBS, FOX, and NBC will televise three Super Bowls through 2033 while ESPN/ABC will now carry two. The 2021 Super Bowl was the most-streamed NFL game ever, but also the least watched overall in more than a decade.
In total, the NFL’s new media deals are thought to be worth over $100 billion, making it the most valuable media deal for any US sports league, according to CNBC.
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March 18, 2021
Mark Zuckerberg on Clubhouse says Facebook may be in a “stronger position” after Apple’s IDFA changes and that Facebook Shops has 1M+ monthly active businesses (Salvador Rodriguez/CNBC)
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iOS developer who drew attention to App Store scams is now suing Apple,
Mobile app developer Kosta Eleftheriou, who publicly called out Apple earlier this year for negligence with regard to policing iOS scams and copycat apps on the App Store, has filed a lawsuit against the iPhone maker in California. He’s accusing the company of exploiting its monopoly power over iOS apps “to make billions of dollars in profits at the expense of small application developers and consumers.”
Eleftheriou’s company KPAW LLC, which he co-owns with his partner Ashley Eleftheriou, filed its complaint in Santa Clara County on Wednesday. It details the development and release timeline of Eleftheriou’s Apple Watch keyboard app FlickType.
At the time he began accusing Apple of abetting App Store scams early last month, Eleftheriou revealed that his FlickType app had been targeted by competing software he says either didn’t work well or didn’t work at all, and yet nonetheless chipped away at this sales and App Store rankings through false advertising and the purchase of fake reviews. After he complained, he said Apple did not do enough to combat the scams, though Apple did later remove some of the apps he called attention to.
The App Store has a big problem
You: an honest developer, working hard to improve your IAP conversions.
Your competitor: a $2M/year scam running rampant.1/
— Kosta Eleftheriou (@keleftheriou)
Eleftheriou’s claims join a chorus of growing complaints against Apple and the App Store. Some developers, competing tech companies, regulators, and now state lawmakers have accused the mobile marketplace of being a monopoly in software distribution that harms competition and keeps consumers paying higher prices.
Epic Games, the maker of Fortnite, is targeting both Apple and Google with antitrust lawsuits over the removal of the battle royale game last summer for use of an alternative in-app payment system. Meanwhile, a group of app makers, ranging from Epic to Spotify to Tinder parent company Match Group, have begun lobbying state lawmakers to take up the fight against the App Store and Google Play Store, with surprising success so far in Arizona and numerous other bills around the country in the works, too.
In the complaint, Eleftheriou goes further into detail about what he claims is wrongful behavior from Apple, including alleged false advertising, breach of its developer agreement, and fraud. One notable claim involves Apple trying to acquire FlickType, after which Eleftheriou says he faced “roadblock after roadblock” to selling his software on the App Store. The complaint suggests Apple chose not to take action on scam and copycat apps in an effort to force Eleftheriou to sell his app to Apple. “Evidently, Apple thought Plaintiff would simply give up and sell its application to Apple at a discount,” the complaint reads.
At the heart of the dispute appears to be conversations Eleftheriou had with an Apple executive Randy Marsden, who led mobile keyboard technology at the company and later held the position of Text Input Special Projects Manager. Marsden is well known in the tech industry for co-founding the keyboard technology startup Swype, and for later co-founding the app Dryft, which was acquired by Apple in 2015. The acquisition resulted in Marsden being put in charge of the iOS keyboard at Apple from 2014 to 2018.
Eleftheriou says he was approached by Marsden, who expressed interest in having Apple acquire his software to improve typing on the Apple Watch. Yet, the negotiations went quiet, and afterward, Eleftheriou claims Apple removed his FlickType keyboard app and refused to approve future versions as well as a note-taking variant, on what he thinks are suspicious grounds.
Only later did Apple permit both apps after months of appeals and after Eleftheriou let countless other app makers integrate his technology. Those apps using the FlickType tech were approved without issue, the complaint says. Meanwhile, many other wearable and mobile keyboard apps Eleftheriou characterizes as scams were also approved and allowed on the App Store. “By this time, Apple’s wrongful rejections had already cost Plaintiff over a year of revenue,” the complaint reads.
Eleftheriou’s complaint says this is evidence of Apple “flexing its monopoly muscle against potential competition”:
Apple entices software application developers like Plaintiff to develop innovative applications with the promise of a fair and secure App Store in which to sell them. In truth, Apple systematically flexes its monopoly muscle against potential competition through the App Store and profits from rampant fraudulent practices. If Apple cannot buy a desired application from a developer on the cheap, Apple attempts to crush that developer through exploitive fees and selective application of opaque and unreasonable constraints against the developer.
At the same time, Apple permits other developers that Apple does not view as real competition, including scam competitors, to peddle similar, inferior products because Apple profits from their sales. Scammers oftentimes use screenshots and videos taken from legitimate developer’s applications and manipulate their ratings. Apple does little to police these practices because it profits from them. Apple then lies to its regulators by asserting that it must maintain its monopoly power over the sale of Apple-related applications to protect consumers, when, in fact, Apple lets them get ripped off and exploits the developers trying to deliver innovation to consumers.
Eleftheriou says even after his app became the No. 1 paid app on the App Store after it was approved, earning him $130,000 in its first month of release, he had to face down a wave of scam apps and copycat software that targeted FlickType after its visible success.
“Despite possessing massive resources and technological savvy, Apple intentionally fails to police these fraudsters, costing honest developers millions, and perhaps billions, while Apple continues to amass huge profits for itself,” the complaint reads. “Apple holds both its device users and developers hostage. Yet each time it faces antitrust claims, Apple justifies its monopoly by claiming it is necessary to protect its users and developers from unscrupulous conduct and ensure a fair competitive marketplace for the benefit of both. In truth, Apple turns a blind eye to rampant fraud and exploitation to make an easy profit.”
Eleftheriou is accusing Apple of false advertising, unfair competition in violation of California’s business and professions code, breach of good faith and fair dealing with regard to the Apple Developer Program License Agreement, fraud, and negligence and negligent misrepresentation.
Apple was not immediately available for comment.
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Sony announces new PS5 VR controllers with adaptive triggers,
Sony is revealing its new VR controllers for the PS5 today. The orb-shaped controllers look more like typical VR controllers than existing PlayStation Move motion controllers, and they also include the same adaptive trigger technology found on the DualSense PS5 controller. Each controller has tensions in the triggers, and Sony is aiming to use this tech in future VR games.
The controllers also have haptic feedback, and finger touch detection that will let them detect fingers without having to press areas where you rest your thumb, index, or middle fingers. “This enables you to make more natural gestures with your hands during gameplay,” says Hideaki Nishino, head of platform planning and management at PlayStation.
Sony’s new PS5 VR controllers.Image: Sony
Each controller has haptic feedback and adaptive triggers.Image: SonyNaturally, these controllers will also include tracking to Sony’s new VR headset via a ring at the bottom of the controller. These certainly look far improved over what’s currently available on the PS Move controllers, with better ergonomics, too.
“SIE’s Product, Engineering, and Design teams have collaborated to build our new VR controller from the ground up with a goal of making a huge leap from current-gen VR gaming,” says Nishino. “Prototypes of our new VR controller will be in the hands of the development community soon, and we can’t wait to see what ideas they come up with and how the controller helps bring their imagination to life!”
Sony hasn’t shown off the design of its next-gen VR headset for the PS5 just yet, but the company did reveal it has an improved field of view, resolution, and even a single cord to make it easier to use. Sony isn’t planning to launch its VR headset for the PS5 in 2021, but it’s clear the company is getting ready to test it with game developers soon.
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The OnePlus 9 Pro supports seriously fast 50W wireless charging,
It’s not often that the actual spec is better than the rumor, but that’s the case here: the OnePlus 9 Pro supports 50W wireless charging — a little faster than the 45W rumor we reported on earlier this year. We’ve been able to test drive this feature ahead of the phone’s official debut on March 23rd and can confirm: the 9 Pro offers really, really fast wireless charging.
OnePlus claims that the phone will charge wirelessly (with the new Warp Charge 50 charger) from 1 to 100 percent in 43 minutes, and our own testing confirmed this down to the minute. That’s a big boost over the OnePlus 8 Pro’s 30W wireless charging, which supplied a 50 percent charge in 30 minutes. The improvements aren’t limited to wireless charging, or the 9 Pro for that matter; the 9 and 9 Pro have 65W wired charging that takes the battery from empty to full in 29 minutes. While the base model OnePlus 9 doesn’t get those fast wireless speeds, it can be used with the new charger at up to 15W. Additionally, both the 9 and 9 Pro support standard Qi wireless charging at 15W.
The new Warp Charge 50 wireless charger now features a detachable cable based on user feedback.Image: OnePlusFast charging has definitely been OnePlus’ “thing” for a while, and according to Kinder Liu, COO and head of R&D, it’s been a hit with customers. “Since introducing our first fast-charging technology with the OnePlus 3, we have heard a lot of positive feedback, with many OnePlus users saying it has fundamentally changed the way they charge their devices. They can simply top up for a day’s charge while getting ready in the morning instead of charging overnight.”
The OnePlus 9-series uses a twin-cell battery design first introduced in the 8T, which is part of the 9 Pro’s formula for achieving such fast wireless charging speeds: each cell is charged at 25W simultaneously. OnePlus uses higher voltage power, which produces less heat than using higher amps and avoids frying the phone by channeling the power through a proprietary charge pump.
The 9 Pro’s twin-cell battery design also helps mitigate the heat produced by wireless charging, along with some other design tweaks to help with heat dissipation, like thicker copper foil and a larger heatsink. There’s also a key feature on the charger itself that we were grateful for in our testing: a fan. The added fan noise isn’t ideal if the charger is on your nightstand, but for the Pro 9 owner who wants to keep their nighttime charging routine, there’s support for quieter charging during bedtime mode.
The newly designed charger also includes two charging coils, making it possible to charge the phone in either horizontal or vertical orientation. That’s useful if you want to multitask your charging time and watch a video, too, which OnePlus says shouldn’t affect charging speed. We couldn’t confirm that in our initial testing, but it’s something we’ll be following up on. As for the cost of the charger, we don’t have pricing yet, but last year’s Warp Charge 30 chargers didn’t come cheap — the pad version was introduced at $69.95 and the stand version for $79.95.
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