News tagged with globular clusters

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A black hole in a low mass X-ray binary

A globular cluster is a roughly spherical ensemble of stars (as many as several million) that are gravitationally bound together, and typically located in the outer regions of galaxies. Low mass X-ray binary stars (LMXBs) ...

dateApr 24, 2017 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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Solved: One of the mysteries of globular clusters

A study shows that the most massive stars in the last stages of their lives are those which contaminate the interstellar medium with new chemical elements, giving rise to successive generations of stars in these 'astronomical ...

dateNov 08, 2016 in Astronomy
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