Silhouetted against Earth's atmosphere, the Space Shuttle Endeavour cuts a striking figure in this 2010 photo taken from the International Space Station. The shuttle approaches the station against a backdrop of the layers of the atmosphere. The blue layer directly behind the shuttle is the mesosphere, and the white layer is the stratosphere. Below that is Earth's troposphere, the lowest portion of the atmosphere, seen in orange.
(Image credit: Expedition 22 Crew, NASA)
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Moon's Reflected 'Earthshine' May Aid Search for Alien LifeThe method of examining the polarization of light could one day be used to spot signs of life on alien planets.
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Cold Plasma Layer Detected High Above EarthScientists had suspected ions existed, but have only now seen.
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Saturn's Moon Titan May be More Earth-Like Than ThoughtScientists say Titan's atmosphere has layers, just like Earth.
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Lunar Eclipse Will Supersize Blood-Red Moon SaturdayA total lunar eclipse occurs when the Earth passes between the sun and the moon.
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'Heartbeat' of Earth's Atmosphere Detected from SpaceCould help understand makeup of atmosphere & Earth's weather.
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Probe Peers Into Energetic Edge of Earth's AtmosphereData shedding light on auroras, how solar wind and Earth's magnetic field interact.
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Scientists Discover Ozone Layer On VenusVenus has an ozone layer high in its atmosphere, according to the results of a new study.
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Earth's Tallest Lightning Seen in Unprecedented DetailGigantic jets shoot from clouds to upper atmosphere.
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Rockets Probe Atmosphere's Mysterious Electric CurrentsThese currents can disrupt satellite signals.
