News tagged with astrophysics

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Dark matter dominates in nearby dwarf galaxy

Dark matter is called "dark" for a good reason. Although they outnumber particles of regular matter by more than a factor of 10, particles of dark matter are elusive. Their existence is inferred by their gravitational influence ...

dateNov 18, 2015 in Astronomy
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Can planets be rejuvenated around dead stars?

For a planet, this would be like a day at the spa. After years of growing old, a massive planet could, in theory, brighten up with a radiant, youthful glow. Rejuvenated planets, as they are nicknamed, are only hypothetical. ...

dateJun 26, 2015 in Astronomy
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Disk gaps don't always signal planets

When astronomers study protoplanetary disks of gas and dust that surround young stars, they sometimes spot a dark gap like the Cassini division in Saturn's rings. It has been suggested that any gap must be caused by an unseen ...

dateNov 02, 2015 in Astronomy
shares1993 comments 1