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Gaia
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Gaia spacecraft
Discover how the Gaia satellite helps map the stars in space
Quizzes
The orbits of the planets and other elements of the solar system, including asteroids, Kuiper belt, Oort cloud, comet
Space Odyssey
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Abstract vector hi speed internet technology background
History of Technology Timeline
In Frankfurt, Germany, a driver uses a car GPS infotainment display system to guide them on a German autobahn. lanes; traffic; navigation; travel; map
How Does GPS Work?
Solar system illustration. (Sun; planets)
A Model of the Cosmos
Spiral Galaxy type Sa-Sb or Sa/Sb in the constellation Virgo. The majestic Sombrero Galaxy Messier 104 (M104) or NGC 4594. The team took six pictures of the galaxy, stitched them together to create the final composite image. Photo from May-June 2003
9 Britannica Articles That Explain the Meaning of Life
1 July 2002: The Solar and Heliospheric Observatory (SOHO) satellite reveals a massive solar eruption more than 30 times the Earth's diameter. The eruption formed when a loop of a magnetic field over the surface of the Sun trapped hot gas.
6 Questions About the Sun Answered
Discover
Cheetah (Acinonyx jubatus) standing on rock, side view, Masai Mara National Reserve, Kenya
The Fastest Animals on Earth
Shah Jahan. Taj Mahal. Mughal architecture. Emperor Shah Jahan fifth Mughal Emperor (reigned 1628-1658) India, Himachal Pradesh, Basohli or Jammu and Kashmir, Mankot, circa 1690 Drawings; Opaque watercolor, gold, and ink on paper (see notes)
6 Important Mughal Emperors
Battle of the Alamo from "Texas: An Epitome of Texas History from the Filibustering and Revolutionary Eras to the Independence of the Republic, 1897. Texas Revolution, Texas revolt, Texas independence, Texas history.
6 Wars of Independence
Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)
7 of the World’s Deadliest Shipwrecks
King Cobra snake in Malaysia. (reptile)
9 of the World’s Deadliest Snakes
Nazi Germany, Nazi SS troops marching with victory standards at the Party Day rally in Nuremberg, Germany, 1933. (Schutzstaffel, Nazi Party, Nurnberg)
Why Was Nazi Germany Called the Third Reich?
Hemp (Cannabis sativa).
9 Mind-Altering Plants

Gaia: Related Content

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News •

Gaia: The best space telescope you never heard of just shut down • Apr. 17, 2025, 12:27 AM ET (Daily Maverick)
Gaia to Shut Down After More Than a Decade of Mapping the Milky Way • Mar. 27, 2025, 2:49 AM ET (New York Times)

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Gaia spacecraft
Discover how the Gaia satellite helps map the stars in space
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Related Quizzes and Features

Quiz
The orbits of the planets and other elements of the solar system, including asteroids, Kuiper belt, Oort cloud, comet
Space Odyssey