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A 53-hour Chandra observation of the central region of the Perseus galaxy cluster has revealed wavelike featuresthat appear to be sound waves.
Black Hole Sound Waves

Astronomers using NASA's Chandra X-ray Observatory have found, for the first time, sound waves from a supermassive black hole. The 'note' is the deepest ever detected from any object in our Universe. ...
Artists conception of matter swirling around a black hole, both in the accretion disk and captured by the magnetic field.
Astronomers Glimpse Feeding Of A Galactic Dragon

A team of radio astronomers has found a cold ring of gas around a supermassive black hole in the fiery nuclear region of quasar galaxy 'QSO I Zw 1,' the most detailed observational evidence yet that g ...

Many Happy Returns!

The boomerang is a bent or angular throwing club with the characteristics of a multi-winged airfoil. When properly launched, the boomerang returns to the thrower. Although the boomerang is often thoug ...

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