Category:Astronomy

Our solar system

• How big does the sun look from mars? (google search result)

Asteroids, Meteors, and Comets

• Asteroid Fast Facts
• Asteroid impact avoidance on Wikipedia
• Bolide: an extremely bright meteor, especially one that explodes in the atmosphere
• Comet
• The Hilda Group of Asteroids (Wikipedia)
• How big does a meteor have to be to make it to the ground? Hint: Anywhere from dust on up
• How fast is a comet (google search results)
• Incoming! Meteor or Comet Fragment Explodes Above Southwestern US, Prompting US Army 'Missiles' Cover-up
• Meteor Smoke Makes Strange Clouds
• We Probably Wouldn't Even See A Doomsday Asteroid Until It Was Too Late
• The Willamette Meteorite

Galaxies

• The Andromeda Galaxy (M31)

Space Travel

• How to land the Space Shuttle
• How to brush your teeth on the International Space Station
• Sleeping in Space by NASA
• Sleeping in Space by the European Space Agency (ESA)
• The Grim and Gory Reality of Surgery in Space
• Zero-G Blood and the Many Horrors of Space Surgery
• Severe traumatic injury during long duration spaceflight: Light years beyond ATLS
• An Exhaustive Inventory of the International Space Station's Medicine Cabinet
• Components of the Space Station presumably the ISS.
• 100 Women: The Women who Sew for NASA
• Strange but true: Astronauts get taller in space