News tagged with astrophysical journal

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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Taking the pulse of a supermassive black hole

( —Rare heartbeat-like pulsations detected from a supermassive black hole may grant scientists better insight into these exotic objects, according to two University of Alabama astronomers who co-authored a recent ...

dateDec 05, 2013 in Astronomy
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Water was plentiful in the early universe

Astronomers have long held that water—two hydrogen atoms and an oxygen atom—was a relative latecomer to the universe. They believed that any element heavier than helium had to have been formed in the cores of stars and ...

dateMay 13, 2015 in Astronomy
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