... Tonight's Sky . ... Astronomy for Kids . ... Sky Events . ... At the foot of the Red Planetт??s giant volcano . Hundreds of individual lava flows are seen frozen in time on the flanks of Olympus Mons. ... For example, the vast lava plain surrounding the volcano truncates the majority of lava flows extending from the flanks, suggesting it is younger still and that it originated from a location outside this scene. ... Only registered members of Astronomy.com are allowed to comment on this article. ...