News tagged with solar activity

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One scientist's hobby: recreating the ice age

(AP) -- Wild horses have returned to northern Siberia. So have musk oxen, hairy beasts that once shared this icy land with woolly mammoths and saber-toothed cats. Moose and reindeer are here, and may one ...

Nov 28, 2010
4 / 5 (7) 1

Understanding coronal mass ejections

(PhysOrg.com) -- The corona of the sun is the hot (over a million kelvin), gaseous outer region of its atmosphere. The corona is threaded by intense magnetic fields that extend upwards from the surface in ...

Oct 29, 2010
4.6 / 5 (10) 2 | with audio podcast

Pulverized planet dust might lie around double stars

(PhysOrg.com) -- Tight double-star systems might not be the best places for life to spring up, according to a new study using data from NASA's Spitzer Space Telescope. The infrared observatory spotted a surprisingly ...

Aug 23, 2010
4.4 / 5 (5) 1 | with audio podcast

Taking a Shot at the Sun

(PhysOrg.com) -- This July, for a thrilling eight minutes, NASA researchers will get a peek at one of the sun's most mysterious regions.

Aug 02, 2010
4.8 / 5 (4) 1

A Puzzling Collapse of Earth's Upper Atmosphere

NASA-funded researchers are monitoring a big event in our planet's atmosphere. High above Earth's surface where the atmosphere meets space, a rarefied layer of gas called "the thermosphere" recently collapsed ...

Jul 15, 2010
4.4 / 5 (47) 45 | with audio podcast

Jupiter has lost one of its cloud stripes

(PhysOrg.com) -- New photographs of the gas giant Jupiter, the first taken on May 9, show the massive reddish band of clouds known as the Southern Equatorial Belt in the planet’s southern hemisphere has ...

May 14, 2010 report
4.7 / 5 (22) 7 | with audio podcast

Are winters in Europe becoming colder?

(PhysOrg.com) -- Despite the trend towards global warming, people in Great Britain and Central Europe will possibly experience cold winters more often in the next few years. This is the findings of a study ...

Apr 20, 2010
4.5 / 5 (15) 15 | with audio podcast