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Water rich asteroid Itokawa

Asteroid Itokava, resembling a peanut, has a length of about 535 meters and a width of 210 to 300 meters. It makes one revolution around the Sun in 18 Earth months at an...
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A black hole rotating space

Watching a black hole absorbing a star, astronomers first saw how the jets of ejected substance repeatedly changed their direction during very short periods of time, the best...