Sep 25, 2025 · GPS is a system. It’s made up of three parts: satellites, ground stations, and receivers. Satellites act like the stars in constellations—we know where they are supposed to be at any given …

Aug 29, 2022 · Something called a Global Positioning System, or GPS, tells you, that’s how. When your phone tells you where you are, it may actually be listening to signals from satellites high up in space.

Sep 25, 2025 · Gas: A loose collection of atoms moving around each other. GPS: This stands for Global Positioning System. It’s a system that uses satellites, ground stations, and receivers to tell you …

Sep 25, 2025 · NASA satellites help scientists study Earth, the other worlds of our solar system, and beyond. Satellites looking toward Earth provide information about clouds, oceans, land and ice.

GPS receivers (your smartphone included) work by figuring out how far away they are from a number of satellites. They are programmed to know where the GPS satellites are at any given time.

An interesting classroom activity about how the Global Positioning System satellites work to enable Jason-1 always to know exactly where it is: http://spaceplace.nasa.gov/teachers/jason_gps.pdf

urn through a telescope in the 1600s, he wasn't sure what he was seeing. At fi st he thought he was looking at three planets, or a planet with h e you ever wondered how your phone knows exactly here …

Sep 25, 2025 · Read this article to find out how long it takes all the planets in our solar system to make a trip around the Sun. explore PDFs of Space Place activities Print-ready, downloadable PDFs of fun …

Sep 25, 2025 · NASA science games, articles and activities for kids

Sep 25, 2025 · Astronomers are using NASA's Hubble Space Telescope to study auroras — stunning light shows in a planet's atmosphere — on the poles of the largest planet in the solar system, Jupiter.