News tagged with earth atmosphere

Geoengineering: A whiter sky

One idea for fighting global warming is to increase the amount of aerosols in the atmosphere, scattering incoming solar energy away from the Earth's surface. But scientists theorize that this solar geoengineering could have ...

dateMay 31, 2012 in Earth Sciences
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Hubble sees a spiral within a spiral

(Phys.org) -- NASA's Hubble Space Telescope captured this image of the spiral galaxy known as ESO 498-G5. One interesting feature of this galaxy is that its spiral arms wind all the way into the center, so ...

dateMay 28, 2012 in Astronomy
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Huge tornadoes discovered on the Sun

(PhysOrg.com) -- Solar tornadoes several times as wide as the Earth can be generated in the solar atmosphere, say researchers in the UK. A solar tornado was discovered using the Atmospheric Imaging Assembly ...

dateMar 29, 2012 in Space Exploration
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Space weather: Explosions on Venus

In the grand scheme of the solar system, Venus and Earth are almost the same distance from the sun. Yet the planets differ dramatically: Venus is some 100 times hotter than Earth and its days more than 200 ...

dateMar 05, 2012 in Space Exploration
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Bus-sized asteroid shaves by Earth

An asteroid about the size of a bus shaved by Earth on Friday in what spacewatchers described as a "near-miss," though experts were not concerned about the possibility of an impact.

dateJan 28, 2012 in Space Exploration
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