Scientists want to launch telescope to study black holes from space
Black holes are among the most extreme yet fascinating objects in the universe.
This is what you would see if you fell into a black hole
No one knows what would happen if you fell into a supermassive black hole like the one at the center of the Milky Way. To answer this question, NASA researchers created a simulation using the Discover supercomputer at the NASA Climate Simulation Center that describes what would happen if you fell into a supermassive black hole like the one at the center of the Milky Way .
The black hole at the center of the Milky Way was photographed by the Event Horizon Telescope, showing a doughnut-shaped mass of glowing gas, called an accretion disk, spinning around in the dark void.
The video captures the view as a person falls straight through the accretion disk of glowing gas surrounding a supermassive black hole. The view changes as the person falls, first gliding through the particles of light flying around the black hole, then finally reaching the event horizon, where the sky narrows and the blackness begins to close in, where not even light can escape.
After falling through the event horizon, the observer would be destroyed by gravity in just 12.8 seconds. A few microseconds later, the extremely compressed matter would reach the singularity, the center of the black hole. The journey from the event horizon to the singularity is 128,000 km long, but it happens in the blink of an eye.
It took the researchers five days to render the simulation, using just 0.3% of Discover’s processing power. But if you were to create the simulation on a regular laptop, it would take more than a decade.
The mysterious history of black holes has been decoded by scientists
One of the common misconceptions about black holes is that they not only swallow matter, but also the history of that matter. The truth about the history of black holes in the universe has finally been revealed.
Listen to the creepy sound of a black hole 250 million light years from Earth, announced by NASA
Sound waves cannot travel through a vacuum, so there can be no sound in space. However, science can help us hear the universe in many ways.
3 unbelievable facts about the universe
The universe is truly amazing, partly because of its enormous size, and also because of the mysteries that are beyond human imagination.
Giant radioactive plume 200,000 light years wide discovered from the early universe
Astronomers have discovered a truly ancient monster: a stream of radio waves estimated to be 200,000 light-years wide, thought to have been around since the universe was less than 10 percent of its current age.
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