Related topics: dark matter · nasa · galaxies · solar system

Simulations suggest Planet Nine may have been a rogue

(Phys.org)—Space researchers James Vesper and Paul Mason with New Mexico State University have given a presentation at this year's American Astronomical Science meeting outlining the results of simulations they have been ...

Cosmologists weigh cosmic filaments and voids

(Phys.org) —Cosmologists have established that much of the stuff of the universe is made of dark matter, a mysterious, invisible substance that can't be directly detected but which exerts a gravitational pull on surrounding ...

Did Andromeda crash into the Milky Way 10 billion years ago?

(Phys.org) —For many years scientists have believed that our Galaxy, the Milky Way, is set to crash into its larger neighbour, the Andromeda Galaxy, in about 3 billion years' time and that this will be the first time such ...

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