
NASA's Guide to Near-Light-Speed Travel
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.
Our intrepid Traveler has updated their rocket to travel at near light-speed. Before they blast off, however, there are a few things they should know. Check out this video for a few surprises that might happen when zipping along at near-light-speed.
Key Takeaways
Near Light Speed 101
Effects of Near-Light-Speed Travel
Traveling at near the speed of light has a few quirks you should be aware of, from time and space weirdness to protecting yourself from dangerous cosmic particles. This video covers some of the important ones!

Near Light Speed 101
Near-Light-Speed Travel Times
Even if you've figured out how to travel at almost the speed of light, the universe is still a huge place! Watch this video to learn more about how long it takes to cruise around the cosmos.

Downloadable Postcards
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.
Glerbax-29
Visit sunny Glerbax-29, home of eight unique, beautiful planets! The locals call it “The Solar System.”
Download your postcard herePostcard: 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.
Download your postcard here