Mars' two-faced riddle 'solved'

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Mars' two-faced riddle 'solved'

(AP) -- Why is Mars two-faced? Scientists say fresh evidence supports the theory that a monster impact punched the red planet, leaving behind perhaps the largest gash on any heavenly body in the solar system.


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Re: Mars' two-faced riddle 'solved'

Scientists think a giant asteroid impact can explain why the northern and southern hemispheres of Mars look so different.


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Bron: BBC Science and Nature. www.BBC.co.uk

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Re: Mars' two-faced riddle 'solved'

WASHINGTON - De sondes Mars Reconnaissance Orbiter en Mars Global Surveyor hebben op Mars een krater ontdekt die de grootste moet zijn in ons zonnestelsel.


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Re: Mars' two-faced riddle 'solved'

The puzzle of why the northern and southern hemispheres of Mars look so different may now have been solved.


Mars' crust is thicker in the southern hemisphere, and magnetic anomalies are found in the south but not the north.


New studies in Nature magazine suggest that a massive space rock smashing into the planet could have created an abrupt disparity between the two halves.


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Re: Mars' two-faced riddle 'solved'

New analysis of Mars' terrain using NASA spacecraft observations reveals what appears to be by far the largest impact crater ever found in the solar system


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