22. Why have people looked to Mars over other planets as a place that once could have contained life? Organisms found on the surface indicate that a greater life-form may have once existed. Fossils found in rock reveal species that once roamed the planet. Streams of running water have been found on the surface. Mars's surface features indicate that water did exist there at one time.
22. Why have people looked to Mars over other planets as a place that once could have contained life? Organisms found on the surface indicate that a greater life-form may have once existed. Fossils found in rock reveal species that once roamed the planet. Streams of running water have been found on the surface. Mars's surface features indicate that water did exist there at one time.
Horizons: Exploring the Universe (MindTap Course List)
14th Edition
ISBN:9781305960961
Author:Michael A. Seeds, Dana Backman
Publisher:Michael A. Seeds, Dana Backman
Chapter7: The Sun
Section: Chapter Questions
Problem 2RQ: What evidence can you give that granulation is caused by convection?
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