News tagged with solar atmosphere

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A tool to touch the sun

A scientist at the Harvard-Smithsonian Center for Astrophysics (CfA) is leading an effort to design an instrument that would be the first to come directly into contact with the sun’s fiery atmosphere ...

Oct 25, 2011 5 / 5 (5) 6

Snowball Earth hypothesis challenged

The hypothesis that the Earth was completely covered in ice 635 million years ago has received a serious blow. The atmospheric concentration of CO2 during that period was much lower than previously thought, ...

Oct 12, 2011 5 / 5 (4) 3

Moon's shadow, like a ship, creates waves

During a solar eclipse, the Moon's passage overhead blocks out the majority of the Sun's light and casts a wide swath of the Earth into darkness. The land under the Moon's shadow receives less incoming energy ...

Oct 05, 2011 4.6 / 5 (5) 3 | with audio podcast