Tag Archives: Apollinaris Mons

HiRISE: Yardangs from Apollonaris Patera

We see here a terrain with an incredible morphologic dichotomy: a relatively smooth region that transitions into sharp ridges. These ridges, aligned in the nearly same direction, are called yardangs. Yardangs are not unique to Mars. Many yardangs can be … Continue reading

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THEMIS: Apollinaris Mons

THEMIS Image of the Day, October 29, 2014. Today’s VIS image shows the southern flank, where the volcanic material has been eroded into a ridge and channel surface. More THEMIS Images of the Day by geological topic.

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THEMIS: Apollinaris Mons

THEMIS Image of the Day, October 3, 2014. This VIS image of Apollineris Mons shows erosion of the materials on its southern flank. More THEMIS Images of the Day by geological topic.

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HiRISE: Elevated crater in the Apollinaris Mons region

Impact craters are very common on the surface of Mars. However, when a circular depression is visible on the summit of a mound or an elevated landform in general, careful analysis is needed to identify whether the crater is created … Continue reading

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Explosive eruptions in dense ancient atmospheres

Explosive volcanic eruptions on an earlier Mars with a thicker atmosphere would have scattered fine ash (pyroclastic debris) mainly east or west of the volcano, a new study finds. Also, a denser ancient atmosphere supports the addition of Arsia and … Continue reading

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