Home > Astronomy, Black Holes, General Astronomy, X-Rays > Watching For A Black Hole To Gobble Up A Gas Cloud

Watching For A Black Hole To Gobble Up A Gas Cloud


Simulation. Image by ESO/MPE/Marc Schartmann

Simulation. Image by ESO/MPE/Marc Schartmann

Right now a doomed gas cloud is edging ever closer to the supermassive black hole at the center of our Milky Way galaxy. These black holes feed on gas and dust all the time, but astronomers rarely get to see mealtime in action.

Northwestern University’s Daryl Haggard has been closely watching the little cloud, called G2, and the black hole, called Sgr A*, as part of a study that should eventually help solve one of the outstanding questions surrounding black holes: How exactly do they achieve such supermassive proportions?

The closest approach between the black hole and gas cloud is predicted to occur any day now. Haggard has been using two world-class observatories, the Chandra X-ray Observatory and the Very Large Array, to gather data on this potentially spectacular encounter.

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