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Perseus

Andromeda: Our Sister Galaxy

Mario Livio | Posted 03.23.2015 | Science
Mario Livio

By measuring very precisely the motion of the Andromeda galaxy relative to the Milky Way, astronomers using the Hubble Space Telescope were able to determine in 2012 that the Milky Way and Andromeda are destined for a head-on collision in about 4 billion years.

Perseus Signs eBook Deal For iPad

The New York Times | MOTOKO RICH and BRAD STONE | Posted 05.25.2011 | Books

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Movie review: Percy Jackson & the Olympians: The Lightning Thief

Marshall Fine | Posted 05.25.2011 | Entertainment
Marshall Fine

The plot concerns an impending war between Zeus and his brother, Poseidon. Zeus' lightning bolt has been stolen and he blames Poseidon's human offspring. If it isn't returned, by thunder ...