{"id":54216,"date":"2024-01-26T07:27:25","date_gmt":"2024-01-26T07:27:25","guid":{"rendered":"http:\/\/2f615178-6a47-4a6d-a3c5-3a7ff5c57453"},"modified":"2024-01-26T08:34:03","modified_gmt":"2024-01-26T08:34:03","slug":"will-black-holes-consume-everything-in-the-universe","status":"publish","type":"rss_feed","link":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/rss_feed\/will-black-holes-consume-everything-in-the-universe\/","title":{"rendered":"Will black holes consume everything in the Universe?"},"content":{"rendered":"

Black holes have a reputation for being cosmic vacuum cleaners. Does that mean they’ll eventually eat all matter? <\/p>

By Paul Roche\n <\/p>

Published: Friday, 26 January 2024 at 07:27 AM<\/p>

\n\n

Nothing, not even light, can escape the gravitational grasp of black holes, so does this mean black holes will consume everything in the Universe?<\/p>

Scientists think that supermassive black holes<\/a>, which have masses between millions and billions times more than the Sun, reside at the heart of almost every galaxy<\/a>.<\/p>

But these cosmic monsters are sucking in material relatively slowly, and nobody knows why.<\/p>

At the current rate, it would take much more than a trillion years \u2013 about 100 times the present age of the Universe \u2013 for a black hole to absorb all of the matter in the Universe.<\/p>

Could Earth be swallowed by a black hole?<\/strong><\/em><\/a><\/li><\/ul>Barred spiral galaxy UGC 6093 is an active galaxy, meaning it has an active galactic nucleus. Material is dragged towards the central supermassive black hole, heating up and causing the galaxy’s core to shine brightly. Will black holes eventually consume everything? Credit: ESA\/Hubble<\/figcaption><\/figure>
Whether or not black holes will ever manage to actually consume everything in the Universe in this timescale depends on what happens to the Universe in the future.<\/p>
If the expansion of the Universe<\/a> continues to speed up, then black holes have plenty of time to devour nearly everything, bar some cosmic material that may be pushed beyond their reach by the expansion.<\/p>
$\"The$
The Hubble Ultra Deep Field: a ‘deep’ core sample of the universe, cutting across billions of light-years.<\/figcaption><\/figure>
At any rate, even the heaviest supermassive black holes, which weigh in at about 10 billion times the mass of the Sun, will disappear, or \u2018evaporate\u2019, after about 10\u00b9\u00ba\u00ba years (that\u2019s 1 followed by 100 zeroes!).<\/p>
If the expansion one day runs out of steam and the Universe re-collapses down to a \u2018big crunch\u2019, the Universe\u2019s black holes will all merge.<\/p>
It is only relatively recently that physicists have managed to simulate the merger of two black holes on a computer.<\/p>
If two black holes did merge, presumably the result would be one huge, \u2018cosmic\u2019 black hole.<\/p> <\/body><\/html>\n
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