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Simulated, Scattered, and Unscattered Images of the Sgr A* black hole.

Lifting the Veil on the Heart of the Black Hole at the Heart of our Galaxy.

January 21, 2019
Cambridge, MA--A black hole four million times as massive as our Sun lurks at the center of the Milky Way. This black hole, called Sagittarius A* (Sgr A*), swallows nearby material that glows brightly as it approaches the event horizon. This galactic furnace is key to understanding black holes, but our view of it is obscured by lumpy clouds of electrons throughout the Galaxy. These clouds stretch, blur, and crinkle the image of Sgr A*, making it appear as though the black hole is blocked by an enormous sheet of frosted glass. 

Now, a team of astronomers, led by...

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President Bacow discusses LIGO on eve of Inauguration

October 4, 2018

"GAZETTE: Looking ahead, what do you see as the biggest opportunities, the biggest challenges?

BACOW: ... The intellectual opportunities are also great. We are creating new tools which allow us to answer questions people have never been able to answer in the history of mankind. Whether we’re talking about CRISPR technology, which allows us to edit genes in ways that we’ve never had the capacity to do, or whether we’re talking about LIGO — Laser Interferometer Gravitational-Wave Observatory — how ’s that one [laughter]? Actually, I learned about LIGO over 20 years ago...

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