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Preparing for Safe Exploration of Mars

26 Jul 2012, 01:46 UTC
Preparing for Safe Exploration of Mars
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Source: David J. Geaney for Mars Travel Sometime between July 2005 and October 2008, a weak impactor broke up in the atmosphere of Mars and it’s constituent parts hit the surface. Scientists know this because a THEMIS image from July 2005 of this area shows no indication that an impact had taken place, while a [...]

Source: David J. Geaney for Mars Travel
Sometime between July 2005 and October 2008, a weak impactor broke up in the atmosphere of Mars and it’s constituent parts hit the surface. Scientists know this because a THEMIS image from July 2005 of this area shows no indication that an impact had taken place, while a subsequent image taken by the Context Camera (CTX) aboard Mars Reconnaissance Orbiter in August 2008 showed the surface peppered with small impacts and a dark ejecta blanket. This led the HiRISE team to investigate the impact site in October 2008.

In the first HiRISE image we can see the small impacts sites and a dark ejecta blanket that seems to stem from the largest of the craters. In the subsequent image taken a few years later we see that the dark ejecta blanket has begun fading. This means that ...

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