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M82, at a distance of 11 million light years, is a rare nearby starburst galaxy where stars are forming and expiring at a rate ten times higher than in our galaxy.
Starburst, No, Not The Candy

A starburst galaxy is a galaxy experiencing a period of intense star forming activity. Although this activity may last for ten million years or more, that is like a month in the life of a ten billion ...
Sound is just a sensation created in the human brain in response to small pressure fluctuations in the air.
The Doppler Effect

As any object moves through the air, the air near the object is disturbed. The disturbances are transmitted through the air at a distinct speed called the speed of sound, because sound itself is just ...
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 ...

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