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Mars

Mars Reconnaissance Orbiter (MRO)

MAVEN (Mars Atmosphere and Volatile EvolutioN)

Planetary Science

The Solar System

Major Martian Milestones

There’s good news from NASA’s Cloudspotting on Mars project! That’s the project that invites you to help identify exotic clouds high in the Martian atmosphere. Congratulations to the Cloudspotting on Mars team and all the volunteers who have helped spot Martian clouds!

Posted April 29, 2024

Mars

Mars Reconnaissance Orbiter (MRO)

Martian Barchan Dunes

On Jan. 16, 2020, the Mars Reconnaissance Orbiter (MRO) captured this image of two types of sand dunes on Mars: barchan and linear dunes. The small dots are called barchan dunes, and from their shape we can tell that they are upwind. The downwind dunes are long and linear. These two types of dune each […]

Posted March 8, 2024

Mars

Mars Reconnaissance Orbiter (MRO)

Ice Flows on Mars

On Aug. 18, 2023, the Mars Reconnaissance Orbiter (MRO) captured ridged lines carved onto Mars’ landscape by the gradual movement of ice. While surface ice deposits are mostly limited to Mars’ polar caps, these patterns appear in many non-polar Martian regions. As ice flows downhill, rock and soil are plucked from the surrounding landscape and […]

Posted December 18, 2023

Mars

Mars Exploration Program

Mars Reconnaissance Orbiter (MRO)

A Bear on Mars?

The Mars Reconnaissance Orbiter (MRO) captured this bit of ursine pareidolia on Dec. 12, 2022. While it resembles a bear we might see on Earth, this is actually a hill on Mars with a peculiar shape. A V-shaped collapse structure makes the nose, two craters form the eyes, and a circular fracture pattern shapes the […]

Posted October 5, 2023

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9

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58

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32

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44

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10

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8

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18

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1

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3

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17

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22

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49

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55

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210

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24

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2

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1

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9

6

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73

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