January 13, 2014
Astronomers expect a mysterious gas cloud to cross paths with the black hole at the heart of the Milky Way galaxy in the next few months.
Then, one of two things could happen. The cloud could plunge on in, throwing off intense X-rays as it goes.
Or, if the cloud contains a star that astronomers cannot currently see, the star will pass by unaffected, while some of the cloud enters the black hole less spectacularly.