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Showing posts with label Mars impact craters. Show all posts
Showing posts with label Mars impact craters. Show all posts

Sunday, 19 June 2011

Mars peppered with meteorites

Mars peppered with meteorites


Mars peppered with meteorites
by John Roach, msnbc.com, ‎June 14, 2011‎
http://cosmiclog.msnbc.msn.com/_news/2011/06/14/6857163-mars-peppered-with-meteorites

Mars Hit by Cosmic Buckshot Again by Ian O'Neill
Discovery News, June 13, 2011
http://news.discovery.com/space/mars-hit-by-cosmic-buckshot-again-110613.html

and

http://news.discovery.com/space/mars-impact-craters-meteorite-cluster.html

Candidate New Impact Site Formed between December 
2002 and March 2008, ESP_022299_2040, HiRISE
http://www.uahirise.org/ESP_022299_2040

Yours,

Paul H.

Monday, 14 March 2011

Elongate Possible Simutaneous Multiple Impact Crater Found On Mars

Elongate Possible Simutaneous Multiple Impact Crater Found On Mars


Satellites See Evidence of One-Two Asteroid Punches on Mars
Wired Science, Lisa Grossman, March 4, 2011  
http://www.wired.com/wiredscience/2011/03/mars-double-craters/
 


A slug-shaped crater, which lies in Mars’ heavily cratered 
southern highlands and just south of the Huygens basin,
appears to represent a chain of impactors hitting Mars at 
shallow angle. The image is at:
http://www.wired.com/wiredscience/2011/03/mars-double-craters/long-crater/
 


and "The scars of impacts on Mars" (ESA Mars Expressed, 4 March 2011)
at http://www.esa.int/esaMI/Mars_Express/SEMTK5VTLKG_0.html
 

and http://www.esa.int/esaMI/Mars_Express/SEMTK5VTLKG_1.html
 


A possibly related structure is described in "Weird Oblong 
Crater Deepens Mars Mystery" by Lisa Grossman (Wired
Science, August 27, 2010) at:
http://www.wired.com/wiredscience/2010/08/oblong-martian-crater/
 


Yours,

Paul H.

Monday, 7 March 2011

Simultaneous Impact Double Crater Possibly Found on Mars

Simultaneous Impact Double Crater Possibly Found on Mars


Mars meteorite craters: Make mine a double by Ian O'Neill
Discovery News, February 28, 2011
http://www.msnbc.msn.com/id/41836713/ns/technology_and_science-discoverycom/

"It  is believed that one object split right before slamming
into the planet."

Conjoined Twins (ESP_020894_1395) y Alfred McEwen,
HiRISE Operations Center, Tucson, Arizona 85721 
http://hirise.lpl.arizona.edu/ESP_020894_1395

Image of double crater at:
http://hirise-pds.lpl.arizona.edu/PDS/EXTRAS/RDR/ESP/ORB_020800_020899/ESP_020894_1395/ESP_020894_1395_RED.abrowse.jpg

"This image shows a remarkable double crater with a 
shared rim and North-South trending ejecta deposits. 
These two craters must have formed simultaneously."

Photo: Double meteor craters on Mars, Seattle Post 
Intelligencer, Feb 28, 2011‎
http://blog.seattlepi.com/thebigblog/2011/02/28/photo-double-meteor-craters-on-mars/

Yours,

Paul H.