Author Topic: ESA - Mars Express updates  (Read 126172 times)

Offline bolun

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Re: ESA - Mars Express updates
« Reply #100 on: 07/25/2012 03:57 pm »
Planetary missions probe giant eruptions in the Sun's corona

24 Jul 2012

Scientists have probed the corona of the Sun by studying the disturbances that it causes to radio transmission from three of ESA's planetary missions: Mars Express, Venus Express and Rosetta. The measurements were performed on several occasions, when each of the spacecraft was located behind the Sun as viewed from Earth. In particular, five coronal mass ejections were detected with Mars Express in 2004. Analysis of these data has revealed the morphology of these colossal solar eruptions in great detail, complementing the view that can be achieved via direct imaging of the Sun's corona.

http://sci.esa.int/science-e/www/object/index.cfm?fobjectid=50627
« Last Edit: 07/25/2012 04:12 pm by bolun »

Offline bolun

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Re: ESA - Mars Express updates
« Reply #101 on: 07/26/2012 12:59 pm »
ESA's Mars Express supports dramatic landing on Mars
 
25 July 2012

http://www.esa.int/esaCP/SEMJBLPXV4H_index_0.html

Offline bolun

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Re: ESA - Mars Express updates
« Reply #102 on: 08/02/2012 03:23 pm »
The fractured features of Ladon basin

2 August 2012

ESA’s Mars Express has observed the southern part of a partially buried approx. 440-km wide crater, informally named Ladon basin. The images, near to where Ladon Valles enters this large impact region reveal a variety of features, most notably the double interconnected impact craters Sigli and Shambe, the basins of which are criss-crossed by extensive fracturing.
 
This region, imaged on 27 April by the high-resolution stereo camera on Mars Express is of great interest to scientists since it shows significant signs of ancient lakes and rivers.

 http://www.esa.int/esaCP/SEM5O1TX55H_index_0.html
« Last Edit: 08/02/2012 03:25 pm by bolun »

Offline bolun

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Re: ESA - Mars Express updates
« Reply #103 on: 08/04/2012 07:39 pm »
Mars Express marks the spot for Curiosity landing

3 August 2012


http://www.esa.int/esaCP/SEMEV8TX55H_index_0.html

Offline bolun

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Re: ESA - Mars Express updates
« Reply #104 on: 09/06/2012 09:26 am »
Hadley Crater provides deep insight into martian geology

6 September 2012

Recently engaged in providing support to the successful landing of NASA’s Mars Science Laboratory “Curiosity”, ESA’s Mars Express has now returned to its primary mission of studying the diverse geology and atmosphere of the Red Planet from orbit.
 
Earlier this year, the spacecraft observed the 120 km wide Hadley Crater, providing a tantalising insight into the martian crust. The images show multiple subsequent impacts within the main crater wall, reaching depths of up to 2600 m below the surrounding surface.

http://www.esa.int/esaSC/SEM8BQ7YJ6H_index_0.html 
« Last Edit: 09/06/2012 09:28 am by bolun »

Offline bolun

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Re: ESA - Mars Express updates
« Reply #105 on: 10/04/2012 01:55 pm »
Ice-coated beauty in Mars’ Silver Island

4 October 2012

On 8 June, the high-resolution stereo camera on Mars Express captured a region within the 1800 km-wide and 5 km-deep Argyre basin, which was created by a gigantic impact in the planet’s early history.
 
After Hellas, the Argyre impact basin is the second largest on the Red Planet. 

http://www.esa.int/esaSC/SEM8GXERI7H_index_0.html

Offline bolun

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Re: ESA - Mars Express updates
« Reply #106 on: 10/23/2012 12:03 pm »
The Solar System’s grandest canyon

22 October 2012

http://www.esa.int/esaSC/SEMAEO4S18H_index_0.html

Online jacqmans

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Re: ESA - Mars Express updates
« Reply #107 on: 11/03/2012 08:15 am »
Nereidum Montes helps unlock Mars’ glacial past


High-Resolution Stereo Camera (HRSC) nadir and colour channel data taken during revolution 10736 on 6 June 2012 by ESA’s Mars Express have been combined to form a natural-colour view of Nereidum Montes. Centred at around 40°S and 310°E, the image has a ground resolution of about 23 m per pixel. It shows a portion of the extensive region, with concentric crater fill in many of the craters towards the east (lower part of the image). Undulations in crater floors are commonly seen in mid-latitude regions on Mars and are believed to be a result of glacial movement.

Credits: ESA/DLR/FU Berlin (G. Neukum)
Jacques :-)

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Re: ESA - Mars Express updates
« Reply #108 on: 11/03/2012 08:16 am »
Nereidum Montes perspective view


This computer-generated perspective view was created using data obtained from the High-Resolution Stereo Camera (HRSC) on ESA’s Mars Express. Centred at around 40°S and 310°E, the image has a ground resolution of about 23 m per pixel. This perspective view highlights many of the rippled sand dunes which form on the leeward (wind-sheltered) sides of mounds and canyons, as well as the lobate and fan-shaped surface around the impact crater which dominates the lower portion of the image. These features may indicate the previous extent of glaciation in the region, before a drier period in the planet’s history created the smooth plains. Taken during revolution 10736 on 6 June 2012.

Credits: ESA/DLR/FU Berlin (G. Neukum)
Jacques :-)

Online jacqmans

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Re: ESA - Mars Express updates
« Reply #109 on: 11/27/2012 10:09 am »
Fostering Curiosity: Mars Express relays rocky images

Rocknest3 relayed by Mars Express
 
26 November 2012
For the first time, ESA’s Mars orbiter has relayed scientific data from NASA’s Curiosity rover on the Red Planet’s surface. The data included detailed images of ‘Rocknest3’ and were received by ESA’s deep-space antenna in Australia.

http://www.esa.int/esaCP/SEMZ7ZB1W9H_index_0.html
Jacques :-)

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Re: ESA - Mars Express updates
« Reply #110 on: 12/06/2012 06:06 pm »
Charitum Montes: a cratered winter wonderland
 
6 December 2012
The high-resolution stereo camera on ESA’s Mars Express imaged the Charitum Montes region of the Red Planet on 18 June, near to Gale crater and the Argyre basin featured in our October and November image releases.

http://www.esa.int/esaCP/SEMH7W2ABAH_index_0.html
Jacques :-)

Offline bolun

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Re: ESA - Mars Express updates
« Reply #111 on: 04/11/2013 04:48 pm »
Explosive crater twins on Mars
 
11 April 2013

Dramatic underground explosions, perhaps involving ice, are responsible for the pits inside these two large martian impact craters, imaged by ESA’s Mars Express on 4 January.
 
The ‘twin’ craters are in the Thaumasia Planum region, a large plateau that lies immediately to the south of Valles Marineris, the largest canyon in the Solar System.
 
The northernmost (right) large crater in this scene was officially given the name Arima in early 2012, but the southernmost (left) crater remains unnamed. Both are just over 50 km wide and display intricate interior features.

http://www.esa.int/Our_Activities/Space_Science/Mars_Express/Explosive_crater_twins_on_Mars

Image credit: ESA/DLR/FU Berlin (G. Neukum)
 

Offline bolun

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Re: ESA - Mars Express updates
« Reply #112 on: 04/25/2013 01:56 pm »
http://www.esa.int/For_Media/Press_Releases/ESA_activities_in_2013_of_interest_to_media_-_Update_25_April_2013

Quote
Skimming the surface of Phobos
 Mars Express will perform the closest ever fly-by of martian moon Phobos, passing only 58 km from the moon's centre (or within around 47 km of the moon's surface). Flying so close to the surface will in itself be a navigation feat, and will provide an unprecedented determination of the moon's mass distribution.
Expected date: Flyby will take place on 29 December, with results available in early 2014

Offline bolun

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Re: ESA - Mars Express updates
« Reply #113 on: 06/03/2013 02:16 pm »
Ten years at Mars: new global views plot the Red Planet’s history

03 Jun 2013

New global maps of Mars released on the 10th anniversary of the launch of ESA's Mars Express trace the history of water and volcanic activity on the Red Planet, and identify sites of special interest for the next generation of Mars explorers.

http://sci.esa.int/science-e/www/object/index.cfm?fobjectid=51856

DLR Web special: The High Resolution Stereo Camera has been on board Mars Express for 10 years

http://www.mex10.dlr.de/index-en.html

Mars Express mission highlights

http://spaceinimages.esa.int/Images/2013/05/Mars_Express_mission_highlights

Image credit: ESA/DLR/FU Berlin (G. Neukum)
« Last Edit: 06/03/2013 02:40 pm by bolun »

Offline catdlr

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Re: ESA - Mars Express updates
« Reply #114 on: 06/04/2013 04:04 am »
and a 10 year highlight video:

Mars Express ten year highlights

Published on Jun 3, 2013
ESA
The journey of Mars Express, from drawing board through launch, to its key science highlights during ten years of operations. With its suite of seven instruments, Mars Express has studied the subsurface of the Red Planet to the upper atmosphere and beyond to the two tiny moons Phobos and Deimos, providing an in depth analysis of the planet's history and returning stunning 3D images

Tony De La Rosa, ...I'm no Feline Dealer!! I move mountains.  but I'm better known for "I think it's highly sexual." Japanese to English Translation.

Offline catdlr

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Re: ESA - Mars Express updates
« Reply #115 on: 06/04/2013 06:17 pm »
Mars Express Full Orbit Video 2.0

Published on Jun 4, 2013
In celebration of the 10th anniversary of Mars Express: a new and enhanced Full Orbit Video genarted by multiple images acquired by the VMC camera - the Mars Webcam - on board ESA's Mars Express

This version is a special 'MEX birthday preview'. We'll post a somewhat extended version late next week, to coincide with the next expected VMC image set arriving from Mars (for news, follow the VMC blog http://blogs.esa.int/vmc)

Thanks to the Mars Express Science & operations teams for generating a fabulous, unique-in-our-Solar-System view of the Red planet. And happy Birthday, Mars Express!

Tony De La Rosa, ...I'm no Feline Dealer!! I move mountains.  but I'm better known for "I think it's highly sexual." Japanese to English Translation.

Offline bolun

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Re: ESA - Mars Express updates
« Reply #116 on: 06/07/2013 08:28 pm »
The floodwaters of Mars

6 June 2013

Dramatic flood events carved this impressive channel system on Mars covering 1.55 million square kilometres, shown here in a stunning new mosaic from ESA’s Mars Express.

The mosaic, which features the spectacular Kasei Valles, comprises 67 images taken with the spacecraft’s high-resolution stereo camera and is released during the week of the 10th anniversary of the spacecraft’s launch to the Red Planet.

Kasei Valles is one of the largest outflow channel systems on Mars – from source to sink, it extends some 3000 km and descends by 3 km in altitude. The scene covered in the mosaic spans 987 km north–south (19–36°N) and 1550 km east–west (280–310°E).

http://www.esa.int/Our_Activities/Space_Science/Mars_Express/The_floodwaters_of_Mars

Image credit: ESA/DLR/FU Berlin (G. Neukum)

Offline bolun

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Re: ESA - Mars Express updates
« Reply #117 on: 06/20/2013 04:09 pm »
ESA science missions continue in overtime

http://sci.esa.int/science-e/www/object/index.cfm?fobjectid=51944

Quote
On 19 June, the SPC approved new extensions – until 31 December 2016 - for Cassini-Huygens, Cluster, Hinode, Hubble Space Telescope, INTEGRAL, Mars Express, SOHO and XMM-Newton. Consistent with previous cycles, these are subject to mid-term confirmation, in late 2014.

Online jacqmans

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Re: ESA - Mars Express updates
« Reply #118 on: 07/04/2013 09:19 am »
At the foot of the Red Planet’s giant volcano

4 July 2013

Hundreds of individual lava flows are seen frozen in time on the flanks of Olympus Mons, the largest volcano in the Solar System.

The images, taken on 21 January 2013 by ESA’s Mars Express, focus on the southeast segment of the giant volcano, which towers some 22 km above the surrounding plains. This is more than double the height of Mauna Kea, the tallest volcano on Earth at 10 km, when measured from its oceanic base to summit.


http://www.esa.int/Our_Activities/Space_Science/Mars_Express/At_the_foot_of_the_Red_Planet_s_giant_volcano
Jacques :-)

Offline Star One

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Re: ESA - Mars Express updates
« Reply #119 on: 08/01/2013 05:46 pm »
1 August 2013
Craters once brim-full with sediments and water have long since drained dry, but traces of their former lives as muddy lakes cling on in the martian desert.

The images were taken on 15 January by ESA’s Mars Express, and feature a region just a few degrees south of the equator within the ancient southern highlands of Mars. The unnamed region lies immediately to the north of an ancient riverbed known as Tagus Valles and east of Tinto Valles and Palos crater that were presented in an earlier release.

The 34 km-wide crater in the top left of the main images perhaps draws most attention with its chaotic interior. Here, broad flat-topped blocks called mesas can be found alongside smaller parallel wind-blown features known as yardangs.

Both mesas and yardangs were carved from sediments that originally filled the crater, deposited there during a flood event that covered the entire scene. Over time, the weakest sediments were eroded away, leaving the haphazard pattern of stronger blocks behind.

Further evidence of this crater’s watery past can be seen in the top right of the crater in the shape of a small, winding river channel.

Clues also hang onto the ghostly outline of an ancient crater some 20 km to the east (below in the main images). While the crater has all but been erased from the geological record, a long meandering channel clearly remains, and flows towards the crater in the centre of the scene.

This central complex of craters is seen close up in the perspective view below, showing in more detail another channel-like feature, along with a highly deformed crater. Perhaps the rim of this eroded crater was breached as sediments flooded the larger crater.

The crater is also seen from a different angle and in the background of the second perspective view below. In the foreground is one of the deepest craters in the scene, as indicated by the topography map.

Numerous landslides have occurred within this crater, perhaps facilitated by the presence of water weakening the crater walls. Grooves etched into the crater’s inner walls mark the paths of tumbling rocks, while larger piles of material have slumped en-masse to litter the crater floor.

A group of interconnected craters with flat floors smoothed over by sediments lie in the lower right part of the main image. One small crater with a prominent debris deposit – an ejecta blanket – lies within the crater.

Ejecta blankets are composed of material excavated from inside the crater during its formation. This particular crater exhibits a ‘rampart’ ejecta blanket – one with petal-like lobes around its edges. Liquid water bound up in the ejected material allowed it to flow along the surface, giving it a fluid appearance.

But it’s not just water that has played a role in this region; volcanic eruptions have also had their say. A dark layer of fine-grained ash covers the top left corner of the main image that may have been deposited from the Elysium volcanic province to the northeast. Over time, the ash was redistributed by wind, and buried deposits exposed in localised areas by erosion.

This region is one of many that exposes evidence of the Red Planet’s active past, and shows that the marks of water are engraved in even the most unlikely ancient crater-strewn fields.

http://www.esa.int/Our_Activities/Space_Science/Mars_Express/Water_in_a_martian_desert

Tags: mars express ESA Mars 
 

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