Science
Ancient valleys on Mars may have been carved by glaciers – Trading U
By Leah Crane Early Mars may have looked like Devon Island in CanadaAnna Grau GalofreMars’s southern highlands are covered in vast networks of valleys
By Leah Crane
Early Mars may have looked like Devon Island in Canada
Anna Grau Galofre
Marss southern highlands are covered in vast networks of valleys that are thought to have been created by running water long ago. But a new analysis suggests they may actually have been carved out by glaciers, indicating that early Mars may have been cold and icy, not warm and wet.
To determine how Mars got its trenches, Anna Galofre at Arizona State University and her colleagues examined data on 10,276 o…
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