News tagged with nasa satellite

Earth's gold came from colliding dead stars

We value gold for many reasons: its beauty, its usefulness as jewelry, and its rarity. Gold is rare on Earth in part because it's also rare in the universe. Unlike elements like carbon or iron, it cannot ...

Jul 17, 2013
4.7 / 5 (48) 90 | with audio podcast

Hubble finds source of Magellanic Stream

(Phys.org) —Astronomers using the NASA/ESA Hubble Space Telescope have solved the 40-year-old mystery of the origin of the Magellanic Stream, a long ribbon of gas stretching nearly halfway around the Milky ...

Aug 08, 2013
4.8 / 5 (18) 49 | with audio podcast

Unclouding our view of future climate

If we had a second Earth, we could experiment with its atmosphere to see how increased levels of greenhouse gases would change it, without the risks that come with performing such an experiment. Since we ...

May 22, 2014
4.6 / 5 (10) 12