Mars Reconnaissance Orbiter Update Thread

3488 · Feb 21, 2007

I agree abq_farside. This thread should be a stickie, along with the New Horizons Jupiter encounter thread. HiRISE fails to find Beagle 2 wreckage. HiRISE searched the central portion of the landing ellipse of the failed British Beagle 2 lander in February 2007. The image including the tiny impact crater, that marked the landing site was imaged to a resolution of 27cm per pixel. No sign of Beagle 2 was seen, no wreckage, parachute or airbags. There is always a chance that Beagle 2 crashed elsewhere within the landing ellipse. It has already been suggested, that the ESA Mars Express failed to release Beagle 2 in exactly the correct direction, resulting in Beagle 2 missing Mars completely & ending up in Heliocentric orbit. The latest observations are making this scenario seem more likely. More of the landing ellipse in time will be imaged by HiRISE to find the crashed lander. In the meantime, it does seem increasingly likely that an error caused by Mars Express, caused Beagle 2 to miss Mars. The failed Mars Polar Lander site will be imaged in May 2007. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Feb 22, 2007

Weekly dose of HiRISE. Release No 14. Thursday 22nd February 2007. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

abq_farside · Feb 22, 2007

Newly Formed Streaks HiRISE image PSP_002396_1900 features three newly-formed slope streaks. These are features which occur on crater walls, hills, and other slopes on Mars. They always begin at a point source and widen downslope, sometimes weaving around existing topographic features (such as dunes or craters), but other times they flow over them. Many slope streaks do not show topographic relief in available images, and there are no observable deposits of displaced materials surrounding their borders. In general, slope streaks tend to be many hundreds of meters long and less than 200 meters wide. They are observed in varying shades of darkness, where lighter-toned streaks appear to be older than darker ones. The formation mechanism responsible for slope streaks is still under debate; theories range from dry dust avalanches (most widely-accepted theory) to briney water seepage. Slope streak formation is among the few surface processes known to be currently active on Mars, making slope streaks some of the youngest features on Mars. A comparison of this HiRISE image with MOC (Mars Orbiter Camera) image E04-01817 shows that three new slope streaks have formed during the six years separating these images (2001 - 2007). The shortest time frame in which new slope streaks have been observed to form is six months (MOC images SP2-37303 and E02-02379), though it is not yet known how long it actually takes for a slope streak to form. MOC image E04-01817 courtesy of NASA/JPL/Malin Space Science Systems. Link <div class="Discussion_UserSignature"> Don't let who you are keep you from becoming who you want to be! </div>

3488 · Feb 23, 2007

Post deleted by 3488 <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Feb 23, 2007

Thanks abq_farside. I did briefly glimpse that (not had much time @ the time)!! The two new streaks shown in your image are extremely prominent. I would imagine that area will be imaged with CRISM in the near future, to ascertain the chemical makeup of the streaks, whether or not hydrated materials were involved. Despite the problems with HiRISE, it is producing interesting results by the bucket load. Also abq_farside you might find this interesting too. South Polar ice mound. I most certainly do. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Feb 24, 2007

Bump. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

abq_farside · Feb 26, 2007

Bump <div class="Discussion_UserSignature"> Don't let who you are keep you from becoming who you want to be! </div>

3488 · Feb 28, 2007

Here we are. HiRISE Release No 16. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

abq_farside · Mar 5, 2007

Release 16 doesn't seem to be available right now. PSP images only go to Release 15. Maybe the site is having trouble this morning. <div class="Discussion_UserSignature"> Don't let who you are keep you from becoming who you want to be! </div>

abq_farside · Mar 9, 2007

Bump needed <div class="Discussion_UserSignature"> Don't let who you are keep you from becoming who you want to be! </div>

3488 · Mar 9, 2007

HiRISE release no 16 . Friday 9th March 2007. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

MeteorWayne · Mar 9, 2007

Only by 31 minutes <img src="/images/icons/smile.gif" /> <div class="Discussion_UserSignature"> But the Krell forgot one thing John. Monsters. Monsters from the Id. I really, really, really, really miss the "first unread post" function </div>

brellis · Mar 14, 2007

Giving this valuable thread a *bump*. I've asked several times what the shutter-speed is on MRO, and could it capture a real-time "movie" during one pass over a site suspected to have current outflows? Panetary Society blogger Emily Lakdawalla answered my question in a PM on unmannedspaceflight: HiRISE is a "pushbroom" camera, not a framing one, meaning that instead of snapping photos with a shutter it scans along its orbital track, so it can't re-image the same place on the same orbital pass. MOC is another famous pushbroom camera. The rovers have only framing cameras. Cassini's ISS is a framing camera, while VIMS is pushbroom. Also, MRO is unlikely to catch liquid flowing on the surface -- you'd have to know exactly where and when to look. MOC only found a handful of new gullies formed in 10 years of searching. Check out her blog on the Planetary Society site. <div class="Discussion_UserSignature"> I'm a recovering optimist - things could be better. </div>

3488 · Mar 15, 2007

The MOC on board MGS was also a pushbroom camera. The HiRISE on board MRO is its successor. The two are related. The LORRI on board the Pluto bound New Horizons is a framing camera. Here we are HiRISE release no 17. Thursday 15th March 2007. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Mar 21, 2007

HiRISE release: no 18. This one is pretty interesting: South Polar Layered Deposits and Residual Cap. Wednesday 21st March 2007. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

3488 · Mar 28, 2007

HiRISE Release No 19. Looking for landing sites for the Mars Science Laboratory. Also this from THEMIS on board Mars Odyssey, looking for landing sites for MSL. If you click on this link, scroll down when the THEMIS page loads. Wednesday 28th March 2007. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

portercc · Mar 30, 2007

WHAT AN INCREDIBLE IMAGE!!! http://hiroc.lpl.arizona.edu/images/PSP/diafotizo.php?ID=PSP_001984_1735 The full browse image is a must!!! Andrew, thanks for posting new release.

3488 · Mar 30, 2007

Hi portercc, You are not wrong there. I can see Candor Chasma & the area you have linked too, being a site for future Human exploration. Water has certainly played a major part there. I quite like this one too from HiRISE Nanedi Vallis. Andrew Brown. <div class="Discussion_UserSignature"> "I suddenly noticed an anomaly to the left of Io, just off the rim of that world. It was extremely large with respect to the overall size of Io and crescent shaped. It seemed unbelievable that something that big had not been visible before". Linda Morabito on discovering that the Jupiter moon Io was volcanically active. Friday 9th March 1979.http://www.launchphotography.com/ http://anthmartian.googlepages.com/thisislandearthhttp://web.me.com/meridianijournal </div>

portercc · Mar 30, 2007

Hi Andrew - "I quite like this one too from HiRISE Nanedi Vallis." Great image. There has to be water. MRO is really impressive. I could find only one crater in Candor Chasma and not a lot of dunes...I find it hard to believe it could be created by only wind and dust.

MeteorWayne · Mar 30, 2007

Right you are. Fantastic! <div class="Discussion_UserSignature"> But the Krell forgot one thing John. Monsters. Monsters from the Id. I really, really, really, really miss the "first unread post" function </div>

abq_farside · Mar 30, 2007

I downloaded the 500 MB image of that region and the plug-in viewer you need. What a fantastic view and detail you can see - truly unbelievable. If you have the time, I would recommend the download and take a look at it. <div class="Discussion_UserSignature"> Don't let who you are keep you from becoming who you want to be! </div>

JonClarke · Mar 30, 2007

The Goosenecks! http://upload.wikimedia.org/wikipedia/commons/a/a8/GooseNeckStateParkPanorama.jpg <div class="Discussion_UserSignature"> Whether we become a multi-planet species with unlimited horizons, or are forever confined to Earth will be decided in the twenty-first century amid the vast plains, rugged canyons and lofty mountains of Mars Arthur Clarke </div>

JonClarke · Mar 30, 2007

Goosenecks from space http://earthobservatory.nasa.gov/Newsroom/NewImages/Images/goosenecks_iko_2004129_lrg.jpg <div class="Discussion_UserSignature"> Whether we become a multi-planet species with unlimited horizons, or are forever confined to Earth will be decided in the twenty-first century amid the vast plains, rugged canyons and lofty mountains of Mars Arthur Clarke </div>

portercc · Mar 30, 2007

WOW! Jon, the similarities are incredible...just no San Juan River. ABQ - I'll have to get the plug-in and download on one of my editors at work. I'm sure it's fantastic.

JonClarke · Mar 31, 2007

I was gob-smacked when I saw it! <div class="Discussion_UserSignature"> Whether we become a multi-planet species with unlimited horizons, or are forever confined to Earth will be decided in the twenty-first century amid the vast plains, rugged canyons and lofty mountains of Mars Arthur Clarke </div>

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