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Ask Smithsonian: What Keeps Satellites From Falling Out of the Sky? (01:05)
Smithsonian Ingenuity Awards 2014: Francis Halzen (01:58)
Ask Smithsonian: What Would Happen if a Solar Flare Hit the Earth? (01:11)
This Is the Rover of the Future (02:20)
Ask Smithsonian: How Much Stuff Is in Orbit Around the Earth? (01:05)
Ask Smithsonian: Where Does Space Begin? (01:03)
Ask Smithsonian: What Would Happen if a Large Asteroid Hit the Moon? (01:01)
Animation of a Supermassive Black Hole (01:00)
Astronomers Create First Realistic Virtual Universe (02:34)
SmartNews: Flies in Space (01:07)
Ask Smithsonian: Why Are Planets Round? (00:54)
Weird Science: It Snows What on Venus? (00:15)
Ask Smithsonian: What Happens to Your Body in Space Without a Spacesuit? (01:40)
SmartNews: 3D Printers in Space (01:02)
Smithsonian Ingenuity Awards 2013: Adam Steltzner of the Mars Rover Team (01:48)
Buzz Aldrin's Vision for Space Exploration (08:46)
How to Measure Forest Height and Biomass From Space (08:36)
The History of the Universe (16:09)
A Plasma Downpour on the Sun (03:36)
A Comet Zooms Close to Earth This Month (04:11)
A Stretchable Battery (00:49)
A Solar Flare Erupts (00:05)
Watch Insect Outbreaks From Space (06:40)
Elon Musk's Journey to Mars (01:28)
Recreating the Discovery Space Shuttle Fly-over With Cans (02:49)
A Flight Through the Universe (01:49)
Curiosity's Journey to Mars (06:35)
Rovers Raise the Bar (01:31)
Is This NASA's Earliest Timelapse? (06:05)
NASA's Inflatable Spacecraft Heat Shield (02:36)
Rare Apollo 11 Footage, Remixed and in HD (06:33)
Apollo 11 Moonwalk Montage (02:00)