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'Rogue' asteroids may be the norm

To get an idea of how the early solar system may have formed, scientists often look to asteroids. These relics of rock and dust represent what today's planets may have been before they differentiated into ...

dateJan 29, 2014 in Space Exploration
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Asteroids' close encounters with Mars

For nearly as long as astronomers have been able to observe asteroids, a question has gone unanswered: Why do the surfaces of most asteroids appear redder than meteorites—the remnants of asteroids that ...

dateNov 19, 2013 in Space Exploration
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Asteroid's distant 'flyby' Thursday

An asteroid, designated 1999 FN53, will safely pass more than 26 times the distance of Earth to the moon on May 14. To put it another way, at its closest point, the asteroid will get no closer than 6.3 million ...

dateMay 14, 2015 in Space Exploration
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Ceres' bright spots come back into view

The two brightest spots on dwarf planet Ceres, which have fascinated scientists for months, are back in view in the newest images from NASA's Dawn spacecraft. Dawn took these images on April 14 and 15 from ...

dateApr 21, 2015 in Space Exploration
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Vesta—Ceres' little sister

Only around 60 million kilometres closer to the Sun than Ceres, another large rock is orbiting in the remote asteroid belt: Vesta. Although its diameter of approximately 530 kilometres makes it a bit too ...

dateApr 21, 2015 in Space Exploration
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Dawn glimpses Ceres' north pole

After spending more than a month in orbit on the dark side of dwarf planet Ceres, NASA's Dawn spacecraft has captured several views of the sunlit north pole of this intriguing world. These images were taken ...

dateApr 19, 2015 in Space Exploration
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