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Blog Archive

 

Gullies on Mars: Wet or Dry (Ice)?

Posted by Tanya Harrison on 2016/08/17 08:02 CDT | 1 comments

Martian gullies were in the spotlight last week thanks to a NASA press release stating they were "likely not formed by liquid water" based on spectral results. But how does this stack up against their morphology?

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Field Report From Mars: Sol 4365 - May 5, 2016

Posted by Larry Crumpler on 2016/05/13 10:43 CDT

Opportunity arrived at its current location on sol 4345 to begin investigation of an outcrop on the crest of a ridge near the west end of Marathon Valley.

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Future High-Resolution Imaging of Mars: Super-Res to the Rescue?

Posted by Alfred McEwen on 2016/04/29 02:27 CDT | 3 comments

HiRISE Principal Investigator Alfred McEwen explains an imaging technique known as Super-Resolution Restoration (SRR), and how it could come in handy for high-resolution imaging of the Red Planet.

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Atmospheric Waves Awareness: An Explainer

Posted by Anna Scott on 2016/04/20 10:30 CDT | 4 comments

There are two types of atmospheric waves that are critically important on Earth and other planets: gravity waves and planetary waves.

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LPSC 2016: Martian Geomorphology

Posted by Tanya Harrison on 2016/04/04 08:01 CDT

Scientists showcased a wide range of features and processes on Mars' surface at last week's Lunar and Planetary Science Conference.

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HiRISE image coverage of the Curiosity field site on Mars, Version 3.0

Posted by Emily Lakdawalla on 2016/02/05 12:53 CST | 1 comments

There have been tons and tons of HiRISE images of the Curiosity landing region, and it has taken quite a lot of work for me to find, locate, and catalogue them. This post is a summary of what I've found; after five revisions and updates, it's now version 3.0 of the list.

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What's up in solar system exploration: February 2016 edition

Posted by Emily Lakdawalla on 2016/01/29 11:57 CST | 2 comments

What's going on with our robotic planetary missions? In February I count more than 20 planetary spacecraft exploring six targets beyond Earth or cruising to new destinations.

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A Roundup of Dust Devil Research

Posted by Ralph Lorenz on 2015/11/02 07:23 CST

Planetary scientist Ralph Lorenz briefs us on the current state of our knowledge on dust devils on Earth and Mars.

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NASA's Mars Announcement: Present-day transient flows of briny water on steep slopes

Posted by Emily Lakdawalla on 2015/09/28 02:26 CDT | 25 comments

NASA held a press briefing today to publicize a cool incremental result in the story of present-day liquid water on Mars. How big a deal is this story? Was all the pre-announcement hype justified? Is this just NASA discovering water on Mars for the zillionth time? What does this mean for things many space fans care about: life on Mars or future human exploration?

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A Workhorse at Mars

Posted by Tanya Harrison on 2015/09/11 07:44 CDT | 2 comments

The Mars Reconnaissance Orbiter (MRO) Context Camera (CTX) is almost a silent star at Mars. The latest MRO data release brought the total number of available CTX images to over 70,000, covering well over 90% of the Red Planet at a stunning resolution of 6 meters per pixel.

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What's up in solar system exploration: August 2015 edition

Posted by Emily Lakdawalla on 2015/08/10 07:31 CDT | 5 comments

I'm back from two weeks' vacation, so it's time to catch up on the status of all our intrepid planetary missions, from Akatsuki to the Voyagers and hitting the Moon, Mars, asteroids, comets, and Saturn in between.

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Help map Mars' south polar region!

Posted by Tanya Harrison on 2015/07/24 12:42 CDT | 3 comments

The science team of NASA's Mars Reconnaissance Orbiter wants your help in mapping out the weird and wonderful features of Mars' south polar region!

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Mars, In Depth

Posted by Bill Dunford on 2015/04/07 12:44 CDT | 5 comments

See the latest three-dimensional landscapes captured by the Mars Reconnaissance Orbiter.

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LPSC 2015: Aeolian Processes on Mars and Titan

Posted by Nathan Bridges on 2015/03/26 04:05 CDT

Planetary scientist Nathan Bridges reports on results from the Lunar and Planetary Science Conference about the action of wind on the surfaces of Mars and Titan.

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Beagle 2 found?

Posted by Emily Lakdawalla on 2015/01/16 11:04 CST | 5 comments

What happened to Beagle 2? It's been a mystery for 11 years. That mystery appears to have been solved.

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HiRISE image coverage of the Curiosity field site on Mars, Version 2.0

Posted by Emily Lakdawalla on 2014/12/30 02:35 CST | 1 comments

There have been tons and tons of HiRISE images of the Curiosity landing region, and it has taken quite a lot of work for me to find, locate, and catalogue them. This post is a summary of what I've found; after four revisions and updates, it's now version 2.0 of the list.

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New Views of Ancient Martian Landscapes

Posted by Bill Dunford on 2014/12/08 11:21 CST | 5 comments

The Mars Reconnaissance Orbiter just keeps delivering remarkable scenes from the Red Planet.

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Seven Mars spacecraft attempted observations of comet Siding Spring. How did they go?

Posted by Emily Lakdawalla on 2014/11/03 04:03 CST | 6 comments

It's been two weeks since comet Siding Spring passed close by Mars, and six of the seven Mars spacecraft have now checked in with quick looks at their images of the encounter. I round up all the results.

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Status update: All Mars missions fine after Siding Spring flyby

Posted by Emily Lakdawalla on 2014/10/20 12:07 CDT | 2 comments

All seven Mars spacecraft are doing perfectly fine after comet Siding Spring's close encounter with Mars.

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SHARAD: Delving Deep at Mars

Posted by Bill Dunford on 2014/09/22 09:41 CDT

Some of Mars' most important secrets are hiding beneath the surface.

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