News tagged with solar activity

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New tools to tackle a solar data storm

(PhysOrg.com) -- So great is the wealth of data about the Sun now being sent back by space missions such as SOHO, STEREO and the Solar Dynamics Observatory (SDO) that scientists back on Earth can struggle ...

Apr 19, 2011
4.5 / 5 (2) 1

Solar activity heats up

(PhysOrg.com) -- If you've ever stood in front of a hot stove, watching a pot of water and waiting impatiently for it to boil, you know what it feels like to be a solar physicist.

Apr 15, 2011
5 / 5 (8) 14 | with audio podcast

Missing sunspots: Solar mystery solved

The Sun has been in the news a lot lately because it's beginning to send out more flares and solar storms. Its recent turmoil is particularly newsworthy because the Sun was very quiet for an unusually long ...

Mar 02, 2011
4.9 / 5 (14) 20 | with audio podcast

Global eruption rocks the sun

On August 1, 2010, an entire hemisphere of the sun erupted. Filaments of magnetism snapped and exploded, shock waves raced across the stellar surface, billion-ton clouds of hot gas billowed into space. Astronomers ...

Dec 14, 2010
5 / 5 (22) 42 | with audio podcast

Changes in solar activity affect local climate

Raimund Muscheler is a researcher at the Department of Earth and Ecosystem Sciences at Lund University in Sweden. In the latest issue of the journal Science, he and his colleagues have described how the surface water temper ...

Dec 08, 2010
5 / 5 (2) 12

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