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message 1151:
by
Ian
(new)
Oct 11, 2020 03:00PM
Can't. It is raining, and when it isn't, it tends to be cloudy.
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Oh dear. Yes, clouds are bad news for observations.At first I thought it was a comet, but I could find no mention of one. Eventually I found this from the BBC.
Astronomers are dismayed about global warming - it increases the cloud cover and enhanced humidity makes seeing conditions worse.
UK also gets lots of clouds, but fortunately there are still some gaps between them.
Hey, a gap approaches. Quick, take off the lens cap :-)
Bernard wrote: "Lunar newshttps://www.bbc.co.uk/news/science_an..."
Not entirely news. All they detected was hydroxyl, which is a source of water. However, these signals were seen roughly a decade ago and included in my ebook "Planetary Formation and Biogenesis" :-)
Mod
No. Somebody has repeated the work, however there is actually an advance. There are some spots now found at high latitude where beside the 3 μm signal that was known before and is general across much of the Moon's surface, and is due to the hydroxyl stretching frequency, there was a 6 μm signal, and that is consistent with actual water. (I just got hold of the actual paper - the BBC reference was to the wrong journal). They think the water is trapped in a glass or in voids in rock.
That sounds complicated & interesting.
Re: the BBC reference was to the wrong journal ....II
Hah! Another black mark for Aunty Beeb.
Beatrice wrote: "That sounds complicated & interesting."Unfortunately, most scientific details get complicated when you get down to details
Ian wrote: "Beatrice wrote: "That sounds complicated & interesting."Unfortunately, most scientific details get complicated when you get down to details"
But it is the details that are interesting!
Indeed Bernard. That is why scientists have an interesting life
Bernard wrote: "A sweet reconciliationhttps://www.msn.com/en-gb/news/world/..."
Hard to know about that one. The difference between olivine and pyroxene is not that great in terms of origin (the % of SiO2). However, if the Moon was formed by Theia colliding with Earth, it would not be a great surprise if some splatter went elsewhere, and it would be important for models because one of the problems is to account for the angular momentum. Splatter going out to Mars or further would greatly help those calculations.
Thanks Ian. When I read about this in a SF story, I thought it was pure fiction.
The SF story probably was :-). That is what the F stands for. :-)_
Ha ha! I had often wondered. But there is impure fiction and impure facts.
Horrors! Impure fiction. Since I write SF, am I impure? Should I be recrystallised???
Mod
He seems not to be short of ideas? Nor money :-)
Ha ha! Good to hear. Sometimes it feels like precipitates are forming in my brain, clouding my thoughts.
Pity we have to wait until 2029, though.
Yes, a long wait. But for those still around, hopefully there will be some interesting news.
Another triumph for Elon. The Japanese astronaut is known as the Space Ninja.https://www.bbc.co.uk/news/science-en...
Indeed. This is satellites on an industrial scale.
Advice Notice: Great Conjunction of Saturn and Jupiter! Dont miss it, there isnt another for 397 years ...https://www.timeanddate.com/astronomy...
Given that it is a rare astronomical event, I predict rain here. It generally rains when such events are on, including the transits of Venus and Mercury. Also, our clear sky probability since the beginning of November is 60% of average. We are gloomy here.
A solar eclipse. I hope our South American members enjoyed ithttps://www.space.com/total-solar-ecl...
Mod
The report is, as you see, from space.com, so it must be genuine. The ticket is, unfortunately, just my wishful thinking. But it would be fascinating to go, in peace of course, and converse with the inhabitants.
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