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Largest Crater Spotted on Mars Using Before-and-After Pictures
When it comes to the Universe, things often go bump in the night. But whether two galaxies collide, a star explodes in a brilliant supernova, or a meteor hits a massive planet, we tend to catch the aftermath tens to hundreds of thousands of years later.
Of course, there’s always an exception to the rule. In today’s news, astronomers using NASA’s Mars Reconnaissance Orbiter have found a fresh meteor-impact crater. And it’s the biggest seen using before-and-after pictures.
When it comes to the red planet, we’ve seen evidence of fresh craters before, but usually the impact can’t be nailed down to better than a few years’ time. The constant sweep of the obiter’s weather-monitoring camera, the Mars Color Imager (MARCI), however, allowed us to pinpoint the impact to within a day.
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Read the rest of Largest Crater Spotted on Mars Using Before-and-After Pictures (503 words)
© Shannon Hall for Universe Today, 2014. |
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Post tags: Mars, mars reconnaissance orbiter, Meteor-Impact Crater
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Source: http://www.universetoday.com/112094/largest-crater-spotted-on-mars-using-before-and-after-pictures/
