Astronomy & Space news

Melting of Floating Ice Will Raise Sea Level

When ice on land slides into the ocean, it displaces ocean water and causes sea level to rise. People believe that when this floating ice melts, water level doesn’t rise an additional amount because the freshwater ice displaces ...

Aug 04, 2005
3.6 / 5 (63) 0

'Hot Jupiter' Systems may Harbor Earth-like Planets

The catalogue of confirmed extrasolar planets ('exoplanets') is growing rapidly. There are currently approximately 133 known planetary systems, harboring a total of 156 exoplanets as of January 2006*. With ...

Mar 19, 2006 feature
3.9 / 5 (57) 0

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

Clues revealed about hidden interior of Uranus

(Phys.org) —Long believed to be one of the blandest regions of any of the giant gas planets, the southern hemisphere of Uranus indicates a flurry of previously unknown atmospheric phenomena, hinting at ...

Nov 14, 2014
4.8 / 5 (47) 11

Fifty Times sharper than Hubble

M87, the central galaxy of the Virgo cluster in a distance of only 50 million light years, was observed by Yuri Kovalev from the Max Planck Institute for Radio Astronony (MPIfR) in Bonn and his colleagues ...

Oct 05, 2007
4.8 / 5 (47) 4

Phoenix probe lands on Mars (Update 4)

NASA's Phoenix spacecraft landed in the northern polar region of Mars Sunday to begin three months of examining a site chosen for its likelihood of having frozen water within reach of the lander's robotic ...

May 25, 2008
4.7 / 5 (48) 1

NASA's Ion Engine Breaks Performance Record

An ion engine prototype developed at NASA's Glenn Research Center has now accumulated more than 12,000 hours of operation and processed over 245 kilograms of xenon, setting a record for most propellant throughput ever demonstrated ...

Sep 28, 2007
4.5 / 5 (50) 1