Feb 16, 2018
This image from the Hubble Space Telescope shows the galaxy cluster PLCK G004.5-19.5. It was discovered by the ESA Planck satellite through the Sunyaev-Zel’dovich effect — the distortion of the cosmic microwave background radiation in the direction of the galaxy cluster by high-energy electrons in... Read More
Jan 17, 2018
In 2014, astronomers using the NASA/ESA Hubble Space Telescope found that this enormous galaxy cluster contains the mass of a staggering three million billion suns — so it’s little wonder that it has earned the nickname of “El Gordo” (“the Fat One” in Spanish)!
Jun 5, 2017
The NICER instrument which will explore neutron stars launched to the International Space Station.
Oct 7, 2016
In 1963, an astronomy student named Gail Smith working at an observatory in the Netherlands discovered something odd—a massive cloud of gas orbiting the Milky Way galaxy. Smith’s cloud contained enough gas to make 2 million stars the size of our sun, and it was moving through space at 700,000 mph... Read More
Aug 4, 2016
Some scientists ply their trade at lab benches, working with test tubes and Bunsen burners. Others spend time in the backcountry, analyzing rocks and landforms. But some astronomers… use stars as their laboratory
Apr 6, 2016
Newsflash: Assembly of the next great space observatory, the James Webb Space Telescope (JWST), is now underway at NASA’s Goddard Space Flight Center. Launch target: 2018. JWST is an infrared telescope, which means it will sense the heat of stars and galaxies millions and even billions of light... Read More