Difference between revisions 1939582 and 1952721 on enwikiversity[[Image:Ice cap.jpg|thumb|right|250px|This is an aerial image of the ice cap on Ellesmere Island, Canada. Credit: National Snow and Ice Data Center.]] '''Earth''' is a rocky astronomical object, a liquid object, a gaseous object, and a plasma object. {{clear}} ==Astronomy== {{main|Draft:Keynote lectures/Astronomy}} [[Image:Greenland 42.74746W 71.57394N.jpg|thumb|right|250px|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. {{clear}} ==Radiation astronomy== {{main|Draft:Radiation astronomy}} [[Image:Earth-moon.jpg|thumb|left|250px|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.]] (contracted; show full) <!-- categories --> [[Category:Astronomy/Lectures]] [[Category:Astronomy learning projects/Lectures]] [[Category:Earth/Lectures]] [[Category:Planetary sciences/Lectures]] [[Category:Resources last modified in October 2018]] [[Category:Astronomical objects/Lectures]] All content in the above text box is licensed under the Creative Commons Attribution-ShareAlike license Version 4 and was originally sourced from https://en.wikiversity.org/w/index.php?diff=prev&oldid=1952721.
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