News tagged with polar regions

What's that sparkle in Cassini's eye?

The moon Enceladus, one of the jewels of the Saturn system, sparkles peculiarly bright in new images obtained by NASA's Cassini spacecraft. The images of the moon, the first ever taken of Enceladus with Cassini's ...

Dec 02, 2011
4.8 / 5 (10) 3 | with audio podcast

Space image: The Moon's North pole

(PhysOrg.com) -- The Earth's moon has been an endless source of fascination for humanity for thousands of years. When at last Apollo 11 landed on the moon's surface in 1969, the crew found a desolate, lifeless ...

Sep 08, 2011
5 / 5 (5) 4

Ultrafast substorm auroras explained (w/ video)

(PhysOrg.com) -- From time to time, sudden releases of energy in Earth's magnetosphere lead to major disturbances that result in bright auroral displays over the planet's polar regions. These auroras are caused by a phenomenon ...

Sep 06, 2011
5 / 5 (1) 3 | with audio podcast

Polar climate change may lead to ecological change

(PhysOrg.com) -- Ice and frozen ground at the North and South Poles are affected by climate change induced warming, but the consequences of thawing at each pole differ due to the geography and geology, according to a Penn ...

Aug 11, 2011
5 / 5 (2) 2