News tagged with planetary surface

Stellar winds

(PhysOrg.com) -- The Sun, glowing with a surface temperature of about 5500 degrees Celsius, warms the Earth with its salutary light. Meanwhile the Sun's hot outer layer (the corona), with its temperature of ...

Oct 10, 2011 5 / 5 (2) 7 | with audio podcast

To an asteroid, and beyond

The asteroid 1999 RQ36 may not be a household name, but astronomers predict that in less than 200 years, it may make an unforgettable impact. According to radar and optical observations, the space rock, measuring ...

Jul 26, 2011 5 / 5 (5) 0 | with audio podcast
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