15 reasons why Mars is one hot, hot, hot planet

From Obama's talk of sending NASA rockets to Mars to a virtual red planet trip, Mars is getting tons of attention

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I spy, rocks: NASA's now hibernating Mars rover Spirit spotted rocks scientists say could offer key clues to whether life ever did or still does exist on the red planet. The weird thing for NASA is that the outcrop was examined by Spirit in 2005, but the data pointing to the discovery languished since then because one of the instruments that detected the carbonate minerals was partly blinded by dust, the space agency stated. The rover's Miniature Thermal Emission Spectrometer instrument found an outcrop of rock rich in what are known as carbonate minerals. Such minerals are crucial to understanding the early climate history of Mars and the related question of whether the planet might once have held life, NASA stated.

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15 reasons why Mars is one hot, hot, hot planet

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