News tagged with supermassive black hole

Where is the closest black hole?

You know that saying, "keep your friends close, but keep your enemies closer?" That advice needs to go right out the window when we're talking black holes. They're the worst enemies you could have and you want them as far ...

dateMar 21, 2016 in Astronomy
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Gaia science alerts are back

While scanning the sky to measure the position and velocity of a billion stars, ESA's Gaia satellite also records many 'guest stars' – astronomical sources that, for a short period of time, are much brighter than usual.

dateMar 08, 2016 in Astronomy
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