Tag: binary star systems

Astronomers have spotted a giant 'blinking' star towards the centre of the Milky Way, more than 25,000 light years away. An international team of astronomers observed the star, VVV-WIT-08, decreasing in brightness by a factor of 30, so that it nearly disappeared from the sky. While many stars change in brightness because they pulsate or are eclipsed by another star in a binary system, it's exceptionally rare for a star to become fainter over a period of several months and then brighten again. (Amanda Smith, University of Cambridge)

Blinking Giant Star is a Mystery at the Heart of the Milky Way

by Rob Lea

June 11, 2021

A mysterious blinking giant star found at the heart of the Milky Way represents another example of a rare eclipsing ...

This artist's impression of a binary system containing a stellar-mass black hole called IGR J17091. The strong gravity of the black hole, on the left, is pulling gas away from a companion star on the right. This gas forms a disk of hot gas around the black hole, and the wind is driven off this disk. (c) NASA

Cosmic wind blowing at 20,000 mph generated by black hole

by Tibi Puiu

February 22, 2012

[caption id="attachment_11732" align="alignnone" width="539" caption="This artist's impression of a binary system containing a stellar-mass black hole called IGR J17091. The ...

Kepler star trio is a mystery to astroseismologists

by Mihai Andrei

April 10, 2011

It's not that uncommon for two stars to dance, but when three of them get together, and dance without singing, ...

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