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Why black holes are the scariest things in the universe - Livescience.com

Why black holes are the scariest things in the universe - Livescience.com

Why black holes are the scariest things in the universe - Livescience.com
Oct 30, 2020 1 min, 40 secs

For one, falling into a black hole is easily the worst way to die.

Black holes – regions in space where gravity is so strong that nothing can escape – are a hot topic in the news these days.

Also, the massive black holes seen at the center of all galaxies have insatiable appetites.

Black holes are expected to form when a massive star dies.

The fate of anyone falling into a black hole would be a painful "spaghettification," an idea popularized by Stephen Hawking in his book "A Brief History of Time." In spaghettification, the intense gravity of the black hole would pull you apart, separating your bones, muscles, sinews and even molecules.

Bigger galaxies have bigger black holes.

The fate of anyone falling into a black hole would be a painful "spaghettification," an idea popularized by Stephen Hawking in his book "A Brief History of Time.".

It’s over a thousand times bigger than the black hole in our galaxy, whose discoverers snagged this year's Nobel Prize?

These black holes are dark most of the time, but when their gravity pulls in nearby stars and gas, they flare into intense activity and pump out a huge amount of radiation.

Massive black holes are dangerous in two ways.

In this analogy, the black hole in its active state is like a light source 1 inch in diameter in downtown LA that outshines the city by a factor of hundreds or thousands.

Like all black holes, the huge ones are shielded from view by an event horizon.

The good news about massive black holes is that you could survive falling into one.

According to Stephen Hawking, black holes are slowly evaporating.

In the far future of the universe, long after all stars have died and galaxies have been wrenched from view by the accelerating cosmic expansion, black holes will be the last surviving objects.

The most massive black holes will take an unimaginable number of years to evaporate, estimated at 10 to the 100th power, or 10 with 100 zeroes after it.

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