Tag Archives: gullies

HiRISE: Gully in an old crater wall

Posted on June 9, 2014 by rburnham

Beautiful Mars series. Gully in an old crater wall in Mareotis Fossae. More Beautiful Mars images.

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HiRISE: Active gully in Penticton Crater

Posted on May 28, 2014 by rburnham

Beautiful Mars series. Active gully in Penticton Crater. More Beautiful Mars images.

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HiRISE: What gullies can say

Posted on May 23, 2014 by rburnham

Right past the sharp, but warped rim of this ancient impact crater are deposits of winter frost, which show up as blue in enhanced color. There are two possible science goals that we can study here: what does the terrain…. … Continue reading →

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HiRISE: Volatiles and gullies

Posted on April 29, 2014 by rburnham

Beautiful Mars series. Volatiles and gullies. More Beautiful Mars images.

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Flowing water on Mars 200,000 years ago?

Posted on April 25, 2014 by rburnham

New research has shown that there was liquid water on Mars as recently as 200,000 years ago. The results have been published in the prestigious international scientific journal Icarus. “We have discovered a very young crater in the southern mid-latitudes … Continue reading →

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HiRISE: Equatorial gullies

Posted on April 16, 2014 by rburnham

Although gullies are most common in the middle latitudes of Mars, they are also found in equatorial regions. This image shows a 3-kilometer-wide impact crater with gullies all along the steep inner slopes. An enhanced-color cutout better distinguishes the gully … Continue reading →

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HiRISE: Depression on the ESE rim of Hale Crater

Posted on March 31, 2014 by rburnham

Beautiful Mars series: A depression on the east southeast rim of Hale Crater. More Beautiful Mars images.

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HiRISE: New gully channel in Terra Sirenum

Posted on March 19, 2014 by rburnham

Update: see JPL press release. Gully, or ravine, landforms are commonly found in the mid-latitudes on Mars, particularly in the Southern highlands. These features typically have a broad upslope alcove, feeding into a channel and apron of debris that has … Continue reading →

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HiRISE: Gullies in Arandas Crater

Posted on March 7, 2014 by rburnham

Beautiful Mars series: Gullies in Arandas Crater. More Beautiful Mars images.

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HiRISE image: Equatorial gullies

Posted on February 27, 2014 by rburnham

Gully-like landforms, or ravines, are most common in the middle latitudes of Mars, but also occur in polar and equatorial latitudes. We see here an impact crater about 900 meters wide, with distinct gullies on all inner slopes except in … Continue reading →

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