"Space, the final frontier" - Star Trek

This is my attempt at collecting articles about space which are fairly scattered around E2 at the moment. It's not intended to be comprehensive and I'll add more as I find them. I’ve tried to categorise them as well as possible – please let me know if there should be additions to this list.

Space nodes:

The Solar System
* Sun * Mercury
* Venus
* Earth * Mars
* Asteroid belt
* Jupiter
* Saturn
* Uranus
* Neptune
* Pluto
* asteroid
* comet
* planet
* satellite
* Satellites of the Planets
* solar system

Astronomy and Cosmology
* 4179 Toutatis
* Astronomer list of astronomers throughout history
* Astronomy e2science metanode
* Astrophysics
* Binary Star
* Black Hole Era
* Copernicus One of the early astronomers, a believer in heliocentrism
* constellation
* Dark Era
* Degenerate Era
* double star
* Doppler effect
* Albert Einstein The great physicist who speculated on relativity, and the curvature of space-time
* evolution of the Universe
* Extraterrestrial alien life-forms
* The Fermi paradox Where are the aliens?
* galactic zero The place where the big bang began
* galaxy
* Galileo
* Galileo Galilei Early astronomer, observations of the planets
* Geocentrism The theory that the universe revolves around the Earth
* InfraRed Astronomy
* interstellar medium
* Halley's Comet Periodic comet which returns every 75 years
* Edmond Halley Discoverer of the comet
* heliocentrism The theory that the universe revolves around the sun
* Hoag's Object
* How to locate Polaris, the North Star
* Lunar standstill
* Mean solar time
* Measuring Distances in Astronomy
* Patrick Moore
* Oort Cloud
* Orion
* Primitive Era
* pulsar A star which emits regular radio signals
* quark star
* quasars A star which emits regular gamma waves
* Ring galaxy
* Southern Cross
* spacetime
* Stellar Era
* Stephen Hawking Physicist and cosmologist who wrote A Brief History of Time
* telescope
* Hubble Space Telescope
* star
* variable star

Manned space missions
* Laika The dog who was the first animal to go into space
* Mercury project
* Yuri Gagarin The first man to go into space
* Alan Shepard The first American in space
* Virgil "Gus" Grissom
* Gherman Titov
* Vostok
* John Glenn
* Valentina Tereshkova The first woman in space
* Saturn V
* Wernher von Braun German rocket scientist who helped develop the Saturn V
* Gemini project
* Apollo project The mission to put a man on the moon Project OrionNuclear-powered spacecraft
* Soyuz Soviet project originally intended to reach the moon
* space shuttle * Skylab US space station
* Salyut
* Buran The Russian space shuttle
* astronaut
* Cosmonaut
* European Astronaut Corps
* Kennedy Space Center
* Spacecraft Information Database Project
* Mir Soviet space station
* International Space Station
* space station]
* Shenzhou 5 China's first manned space flight

Unmanned spaceflights
* Chinese Space Program
* Galileo Jupiter probe, also a future ESA GPS satellite
* Giotto
* Magellan Venus probe
* Pioneer Space Program series of probes, some of which have left the solar system
* satellite
* Sputnik
* Venera Program
* Viking Project
* Voyager

Miscellaneous
* Aeronautics to Astronautics: NACA Research (1952 - 1957)
* Buzz Aldrin's Race Into Space Game inspired by the race to the Moon
* Canadian Space Agency
* commercial space flight
* ESA
* Effects of an Unprotected Human Body in the Vacuum of Space
* The Life on Mars Problem
* Mars Society Society promoting Mars exploration
* NASA
* space colonization
* space elevator
* space race
* The One-Way Manned Space Mission
* Dennis Tito, NASA, and the viability of space tourism as a business
* Where were you when the Space Shuttle Challenger exploded?