Can black holes become white holes? – Remy, age 9, Wangaratta, Victoria Hi Remy! Thank you for this great question. The short answer, unfortunately, is no. White holes are ...

Black holes are fascinating objects that capture the imagination of the general public and scientists alike. And yet, they are remarkably simple. According to Einstein's theory of gravity—general relativity—black holes can be fully described by only three basic parameters: mass, angular momentum, and electric charge. Unlike most objects we commonly encounter, black holes of all masses have the same fundamental…

Black holes go boom in several ways.

The universe is full of black holes. Even the Milky Way has one, and we now have a picture of it. Don't panic, but it looks like a blurry glazed donut.

Over the last decade or so, we've witnessed a continued ramp up of the information age. Social media has become the "social" place. These days, YouTube publishes 3.7 million videos a day, that's 271'000 hours every single day. We're bombarded with information from all directions day in and day out, so much so, that we […]

Researchers at Australian National University studied 5,000 star-eating behemoths to find out.

Black holes steal from you the sole thing that makes life into living.

Article URL: https://www.youtube.com/watch?v=d_XuFkVdAYU Comments URL: https://news.ycombinator.com/item?id=32948806 Points: 1 # Comments: 0

New theoretical research has shown that Stephen Hawking was right about black holes, although not completely.

And the universe must be filled with these reborn white holes, say cosmologists

Black holes are common. So where are the white holes?. In General Relativity, white holes are just as mathematically plausible as black holes. Black holes are real; what about white holes?.

Ian Sample meets the Italian physicist Carlo Rovelli to find out about his cutting-edge research into white holes, which are essentially time-reversed black holes. Rovelli explains why he thinks these hypothetical objects are worth exploring and reveals how they could explain one of the greatest mysteries of physics

If someone were to venture into a relatively benign black hole, they could survive, but their past would be obliterated and they could have an infinite number of possible futures.

Astronomers have compiled the largest sample ever of dwarf galaxies that host an actively feeding black hole, as well as the most extensive collection of intermediate-mass black hole candidates to date.

Black holes create some of the most extreme environments in the cosmos — can stars form in such conditions?

Black holes are regions of space with gravitational fields so strong that nothing, not even light, can escape. Their sizes vary from stellar to supermassive.

Bright flares occasionally emitted by black holes are produced by super-strong magnetic fields, computer simulations revealed

When a star disappears down the throat of a black hole, the flash is just the start of the show.

NASA has shared a selection of some of the best visualizations of black holes, so you can get an idea of what these mind-bending phenomena are like.

Gratuitous Black Hole Graphic A couple of papers were published recently that attracted quite a lot of media interest so I thought I'd mention the work here. The researchers detail the theory…