Difference between revisions 2301569 and 2301570 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==
[[Image:Greenland 42.74746W 71.57394N.jpg|thumb|right|250px|Satellite composite image shows the ice sheet of Greenland. Credit: NASA.]]
(contracted; show full) has filled in more of the eastern coastline. Urban areas are visible in the northern and western portions of the island; they are recognizable by linear street patterns and the presence of bright building rooftops. The silver-grey appearance of the Caribbean Sea surface is due to sun-glint, which is the mirror-like reflection of sunlight off the water surface back towards the hand-held camera on-board the ISS. The sun-glint highlights surface wave patterns around the island.
{{clear}}

==Craters==
{{main|
Craters by rRadiation|Crater astronomy/Craters}}
[[Image:Barringer Crater aerial photo by USGS.jpg|thumb|left|250px|This is an aerial view of the Barringer Meteor Crater about 69 km east of Flagstaff, Arizona. Credit:D. Roddy, U.S. Geological Survey.]]
[[Image:Yucatan chix crater.jpg|thumb|right|120px|The Chicxulub impact crater is outlined. Credit: NASA/JPL-Caltech, modified by [[w:User:David Fuchs|David Fuchs]].]]
(contracted; show full)<!-- footer templates -->
{{Radiation astronomy resources}}{{Sisterlinks|Earth}}

<!-- categories -->
[[Category:Astronomical objects/Lectures]]
[[Category:Earth/Lectures]]
[[Category:Planetary sciences/Lectures]]
[[Category:Radiation astronomy/Lectures]]