Mystery Object at Milky Way Galaxy's Core – New Evidence

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Mystery Object at Milky Way Galaxy's Core – New Evidence

This annotated composite image shows the motion of the dusty cloud G2 as it closes in, and then passes, the supermassive black hole at the center of the Milky Way, and remains compact. The blobs have been colorized to show the motion of the cloud, red indicated that the object is receding and blue approaching. The cross marks the position of the supermassive black hole.

By Calla Cofield
Space.com
3-26-15

New observations may finally reveal the identity of a mystery object circling around the monster black hole at the center of our Milky Way galaxy — or not.

Known to many as "G2," the unidentified object could be a cloud of gas, or it could be a star, depending on who you ask. Discovered in 2011, G2 captured the attention of scientists because it was on its way to making a tight swing around the black hole — potentially providing the dark monster with a snack.

The new observations of G2 show that it has remained compact during its swing around the black hole, according to the authors of the new research. Since a gas cloud would likely be smeared out by the gravitational pull of the black hole, the scientists conclude that the object is a star. But the group that discovered G2 says the new results are not enough to make a definitive statement about the identity of this peculiar blob. . . .