Sep 25, 2025 · Although humans can't hop into a time machine and go back in time, we do know that clocks on airplanes and satellites travel at a different speed than those on Earth.

Sep 25, 2025 · Polar-orbiting satellites travel in a north-south direction from pole to pole. As Earth spins underneath, these satellites can scan the entire globe, one strip at a time.

GALEX is a new NASA space telescope that can see back in time 80% of the way to the Big Bang. The Big Bang is the colossal explosion that gave the universe its start around 14 billion …

Sep 25, 2025 · A supernova is the biggest explosion that humans have ever seen. Each blast is the extremely bright, super-powerful explosion of a star. An illustration of one of the brightest …

Sep 25, 2025 · We know that Mars had water a long time ago. But did it also have other conditions life needs? To find out, NASA sent the Curiosity rover to Mars. Curiosity is the …

Aug 29, 2022 · Your phone, or any device with a GPS, is programmed to know where all the satellites are at any given time. The phone uses that information—along with the amount of …

Sep 25, 2025 · play Links out Climate Time Machine See into the past and ahead to the future with the Climate Time Machine. This link takes you away from NASA Space Place. play Links …

Sep 25, 2025 · Eek! Airplanes and satellites can experience changes in time! Read on to find out more. It all depends on what the spacecraft will do! Read on to learn more. A transit is when …

Build a physics machine! If you build it carefully, this crazy contraption demonstrates one of the basic laws of nature. This law explains many events we see every day. For example, why …

Sep 25, 2025 · Time on Uranus One day on Uranus lasts a little over 17 hours (17 hours and 14 minutes, to be exact). One year on Uranus is the same as 84 years on Earth. That’s a long …