High Energy Transient Explorer-2

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Introduction References & Edit History Related Topics

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Space race (1957-1969) infographic between United States (U.S.) and Russia. America, Soviet Union, U.S.S.R., space exploration

Timeline of the Space Race, 1957–69

US Skylab space station in orbit. After the Apollo missions, the next major NASA venture was the Skylab manned earth satellite program. The orbiting laboratory was launched on May 14, 1973, and during the year three separate crewsof three men were sent up

Pro and Con: Space Colonization

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

Discover

Colorful winter sunset

What's the Difference Between a Solstice and an Equinox?

Panama Canal infographic

Timeline and Map of the Panama Canal

Stylish light blue jeans on wooden background, closeup of inset pocket

Why Do Jeans Have That Tiny Pocket?

Town of Sisimiut located on the coast of the Davis Strait on Kangerluarsunnguaq Bay, Greenland

The Largest Islands in the World

Four year old boy with grandfather and father lighting Hanukkah menorah. Photo taken on: December 21st, 2009

Which Is Correct: Hanukkah or Chanukah?

Srinivasa Ramanujan, Indian mathematician and autodidact.

6 Interesting Facts about Srinivasa Ramanujan

Entrants falling and tumbling over while chasing the cheese at the 2016 'Cheese Rolling' held at Cooper's Hill, in the Cotswolds, Brockworth England

7 of the World’s Most Dangerous Festivals

High Energy Transient Explorer-2: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Topics

International Gamma-Ray Astrophysics Laboratory James Webb Space Telescope Kepler THEMIS Aryabhata Chandra X-ray Observatory Spitzer Space Telescope Vanguard Telstar Planck

Quiz

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

Space Odyssey