A Flight Through the Universe

The Sloan Digital Sky Survey recently released the largest ever 3-D map of the sky with some 540,000 galaxies (1:48)

Latest Videos

Preview thumbnail for video'Three Kinds of Close Encounters
Three Kinds of Close Encounters (2:30)
Preview thumbnail for video'Ask Smithsonian: What Keeps Satellites From Falling Out of the Sky?
Ask Smithsonian: What Keeps Satellites From Falling Out of the Sky? (1:05)
Preview thumbnail for video'Ask Smithsonian: What’s Up with Saturn’s Rings?
Ask Smithsonian: What’s Up with Saturn’s Rings? (1:12)
Preview thumbnail for video'Adam Steltzner of the Mars Rover Team
Adam Steltzner of the Mars Rover Team (1:48)
Preview thumbnail for video'Ask Smithsonian: Where Does Space Begin?
Ask Smithsonian: Where Does Space Begin? (1:03)
Preview thumbnail for video'Ask Smithsonian: What Would Happen if a Large Asteroid Hit the Moon?
Ask Smithsonian: What Would Happen if a Large Asteroid Hit the Moon? (1:01)
Preview thumbnail for video'This is the Rover of the Future
This is the Rover of the Future (2:20)
Preview thumbnail for video'Ask Smithsonian: What Would Happen if a Solar Flare Hit the Earth?
Ask Smithsonian: What Would Happen if a Solar Flare Hit the Earth? (1:11)
Preview thumbnail for video'Ask Smithsonian: Why Are Planets Round?
Ask Smithsonian: Why Are Planets Round? (0:54)