NASA's Guide to Near-light-speed Travel

  • Released Friday, August 14th, 2020
  • Updated Wednesday, May 3rd, 2023 at 1:44PM
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So, you've just put the finishing touches on upgrades to your spaceship, and now it can fly at almost the speed of light. We're not quite sure how you pulled it off, but congratulations!

Before you fly off on your next vacation, however, watch this handy video to learn more about near-light-speed safety considerations, travel times, and distances between some popular destinations around the universe.

You can also download shorter clips from the video and printable postcards to send to your friends.

Postcard: Near-light-speed TravelIf you take a trip at near the speed of light, you won't just feel younger when you get back. You'll BE younger!\* Send this postcard to your friends the next time you return from a trip at near light speed.\*compared to friends that stayed behind.

Postcard: Near-light-speed Travel

If you take a trip at near the speed of light, you won't just feel younger when you get back. You'll BE younger!* Send this postcard to your friends the next time you return from a trip at near light speed.

*compared to friends that stayed behind.

Postcard: AndromedaA vacation to Andromeda, our nearest spiral neighbor galaxy, is a long, long, long, long, long trip, but it's worth it! And this postcard will prove it to your friends.

Postcard: Andromeda

A vacation to Andromeda, our nearest spiral neighbor galaxy, is a long, long, long, long, long trip, but it's worth it! And this postcard will prove it to your friends.



Credits

Please give credit for this item to:
NASA's Goddard Space Flight Center


Series

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