Difference between revisions 2239204 and 2239252 on enwikiversity

[[Image:Chain of impact craters on Ganymede.jpg|thumb|right|250px|The image shows a chain of craters on Ganymede. Credit: Galileo Project, Brown University, JPL, NASA.]]
A '''crater''' may be any large, roughly circular, depression or hole in or beneath the rocky surface of a rocky object.

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Io has over 400 active volcanoes<ref name=Lopes2006>{{cite book
|title=Encyclopedia of the Solar System
|chapter=Io: The Volcanic Moon
|author=Rosaly MC Lopes
|publisher=Academic Press
|date=2006
|editor=Lucy-Ann McFadden
, ⏎
|editor2=Paul R. Weissman, ⏎
|editor3=Torrence V. Johnson
|pages=419–431
|isbn=978-0-12-088589-3 }}</ref><ref name="Lopes2004">{{ cite journal
|title=Lava lakes on Io: Observations of Io’s volcanic activity from Galileo NIMS during the 2001 fly-bys
|journal=Icarus
|author=R. M. C. Lopes
|display-authors=etal
|pages=140–74
(contracted; show full)[[Category:Earth sciences/Lectures]]
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