Astronomy news

Mapping the family tree of stars

Astronomers are borrowing principles applied in biology and archaeology to build a family tree of the stars in the galaxy. By studying chemical signatures found in the stars, they are piecing together these evolutionary trees ...

date22 hours ago in Astronomy
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Dating the Milky Way's disc

When a star like our sun gets to be very old, after another seven billion years or so, it will no longer be able to sustain burning its nuclear fuel. With only about half of its mass remaining, it will shrink to a fraction ...

dateFeb 20, 2017 in Astronomy
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The universe has a lithium problem

Over the past decades, scientists have wrestled with a problem involving the Big Bang Theory. The Big Bang Theory suggests that there should be three times as much lithium as we can observe. Why is there such a discrepancy ...

dateFeb 20, 2017 in Astronomy
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Image: Star formation on filaments in RCW106

Stars are bursting into life all over this image from ESA's Herschel space observatory. It depicts the giant molecular cloud RCW106, a massive billow of gas and dust almost 12 000 light-years away in the southern constellation ...

dateFeb 20, 2017 in Astronomy
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LIGO veteran gives talk about gravitational waves

Caltech's Stan Whitcomb, who has been involved with nearly every aspect of the development and ultimate success of the Laser Interferometer Gravitational-wave Observatory (LIGO), will give a talk about the project's historic ...

dateFeb 19, 2017 in Astronomy
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