News tagged with solar radiation

Sea-ice formation sustained the 'Little Ice Age'

Volcanic eruptions and reduced solar radiation caused global cooling between the thirteenth and the fifteenth centuries. The resulting accelerated formation of sea ice in the Northern Seas triggered a positive feedback process ...

dateSep 30, 2013 in Earth Sciences
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NASA sees Sun send out mid-level solar flare

The sun emitted a mid-level solar flare on July 19, 2012, beginning at 1:13 AM EDT and peaking at 1:58 AM. Solar flares are gigantic bursts of radiation that cannot pass through Earth's atmosphere to harm humans on the ground, ...

dateJul 19, 2012 in Space Exploration
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Is this meteorite a piece of Mercury?

Pieces of the Moon and Mars have been found on Earth before, as well as chunks of Vesta and other asteroids, but what about the innermost planet, Mercury? That's where some researchers think this greenish meteorite may have ...

dateFeb 04, 2013 in Space Exploration
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Sun emits fourth X-class flare in a week

The sun emitted a significant solar flare—its fourth X-class flare since Oct. 23, 2013—peaking at 5:54 p.m. on Oct. 29, 2013. Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through ...

dateOct 30, 2013 in Space Exploration
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Solar cells made from black silicon

Solar cells convert three-quarters of the energy contained in the Sun's spectrum into electricity – yet the infrared spectrum is entirely lost in standard solar cells. In contrast, black silicon solar cells are specifically ...

dateOct 01, 2012 in Energy & Green Tech
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