Planets

A planet is an astronomical object orbiting a star or stellar remnant that
* is massive enough to be rounded by its own gravity,
* is not massive enough to cause thermonuclear fusion, and
* has cleared its neighbouring region of planetesimals.

The term planet is ancient, with ties to history, astrology, science, mythology, and religion. Several planets in the Solar System can be seen with the naked eye. These were regarded by many early cultures as divine, or as emissaries of deities. As scientific knowledge advanced, human perception of the planets changed, incorporating a number of disparate obj
...more

Foundation (Foundation, #1)
Anathem
Foundation's Edge (Foundation, #4)
Forward the Foundation (Foundation, #7)
Prelude to Foundation (Foundation, #6)
Matter (Culture, #8)
Stranger in a Strange Land
Hyperion (Hyperion Cantos, #1)
Ringworld (Ringworld #1)
Shadow of the Giant (The Shadow #4)
Pluto Gets the Call
Naked Lunch: The Restored Text
A Place for Pluto
A Fire Upon the Deep (Zones of Thought, #1)
Contact

Most Read This Week

Pluto!: Not a Planet? Not a Problem!
How to Change Everything: The Young Human's Guide to Protecting the Planet and Each Other
Stella's Stellar Hair
Pluto Gets the Call
The Girl Who Named Pluto: The Story of Venetia Burney
XO, Exoplanet
If Pluto Was a Pea
Red Rover: Curiosity on Mars
Blindsight by Peter WattsHyperion by Dan SimmonsShip of Fools by Richard Paul RussoLeviathan Wakes by James S.A. CoreyDead Silence by S.A. Barnes
Space Horror
342 books — 316 voters

Allies of Antares ( Spikatur Cycle, #4) by Alan Burt AkersThe Final Planet by Andrew M. GreeleyKindred Spirits by Mark        AnthonyDarkness and Light by Paul B.   ThompsonStar Wars by Timothy Zahn
Adventures on Other Planets
33 books — 1 voter
The Good Earth by Pearl S. BuckJourney to the Center of the Earth by Jules VernePacking for Mars by Mary RoachThe Martian Chronicles by Ray BradburyThe Pillars of the Earth by Ken Follett
Planets in the Title
699 books — 66 voters



Douglas Coupland
It’s so hard to balance in our minds the knowledge that ‘the world’ is mundanely ‘a planet.’ The former is so holy; the latter merely a science project.
Douglas Coupland, Hey Nostradamus!

Max Nowaz
If you always try to subjugate people by coercion, because you are strong, then sooner or later you will run into somebody who is just as strong, if not stronger. Then you'll be in trouble. ...more
Max Nowaz, The Polymorph

More quotes...
 ░S░c░i░e░n░t░i░f░i░c░ ░S░p░a░c░e░ ░S░o░c░i░e░t░y░ Pale Blue Dot: A Vision of the Human Future in Space ~ Carl Sagan “Look again at that dot. That…more
21 members, last active 5 years ago
Stargazers There are five habitable planets. Earth, which is inhabitable now. Persephone, a planet for the …more
26 members, last active 5 years ago
Science Fiction/Fantasy Discussion of Authors and Favorite Books The purpose of this group is to discuss your favorite authors in these two genres and explain wh…more
9 members, last active 13 years ago
Wolves of Zancaria These wolves aren't like normal ones. Some are faster, stronger, or even have wings. Others can …more
1 member, last active 13 years ago

Tags

Tags contributing to this page include: planets and planet