News tagged with gravitational pull

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Dark matter mystery deepens

( -- Like all galaxies, our Milky Way is home to a strange substance called dark matter. Dark matter is invisible, betraying its presence only through its gravitational pull. Without dark matter holding them together, ...

dateOct 17, 2011 in Astronomy
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Mergers Most Likely Fuel for Active Galaxies

( -- The first solid evidence for how the center of some galaxies come to shine brightly while others barely flicker has been uncovered by researchers at the Kavli Institute for Particle Astrophysics and Cosmology ...

dateJun 16, 2010 in Astronomy
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