Difference between revisions 1514429 and 1515381 on enwikiversity

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Earth
[[Image:Ice cap.jpg|thumb|right|200px|This is an aerial image of the ice cap on Ellesmere Island, Canada. Credit: National Snow and Ice Data Center.]]
'''Earth''' is rocky astronomical object, a liquid object, a gaseous object, and a plasma object.
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==Astronomy==
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[[Image:Greenland 42.74746W 71.57394N.jpg|thumb|right|200px|Satellite composite image shows the ice sheet of Greenland. Credit: NASA.]]
At the right is a satellite composite image of the ice sheet over Greenland.
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==Radiation astronomy==
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[[Image:Earth-moon.jpg|thumb|left|200px|This view of the rising Earth greeted the Apollo 8 astronauts as they came from behind the Moon after the lunar orbit insertion burn. Credit: NASA.]]
"Energetic photons, ions and electrons from the solar wind, together with galactic and extragalactic cosmic rays, constantly bombard surfaces of planets, planetary satellites, dust particles, comets and asteroids."<ref name=Madey>{{ cite journal
(contracted; show full)[[Category:Astronomy learning projects]]
[[Category:Planetary science]]
[[Category:Research]]
[[Category:Research projects]]
[[Category:Resources last modified in February 2016]]
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