Despite its darkness, astronomers may have discovered a light after colliding with a black hole.
On top of that, NASA also said there may be an additional category of black hole.
A collision with a black hole explodes with a light?
In a recent NASA blog post, he revealed that astronomers may have witnessed light from two black hole collisions for the first time, giving them a better understanding of these mysterious dark phenomena.
Additionally, NASA posted an update on Twitter indicating that an eruption may have formed when two smaller black holes combined to form a new and larger black hole. The post added that it was first observed in a 2020 study.
When black holes collide, they can radiate light from nearby materials. A 2020 study made the very first observation of an eruption that could have been produced when two smaller black holes merged to form a new, larger black hole: https://t.co/ign9NtsXc2#BlackHoleFriday pic.twitter.com/lRmUEe4bBB
– NASA (@NASA) November 26, 2021
Additionally, the space agency said a supermassive black hole, based on their artist’s makeup, is surrounded by a disk of gas.
Additionally, gravitational waves propagate through space and time and are detected by extremely sensitive detectors on Earth when two black holes revolve around each other and eventually collide.
Because black holes and black hole collisions are entirely dark, astronomers cannot see them using telescopes or other light-detecting tools. However, theorists have proposed a method to produce a light signal from a black hole collision by radiating nearby material.
On the flip side, scientists at Caltech’s Zwicky Transient Facility (ZTF), based at the Palomar Observatory near San Diego, may have discovered what could be a similar event. If verified, it will be the first time two black hole collisions have produced a light flare.
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In addition to gravitational waves, the National Science Foundation’s Laser Interferometer Gravitational-wave Observatory (LIGO) and the European Virgo detector are two gravitational wave detectors that found the collision in 2019.
Said event is known as GW190521g.
Using this detection, ZTF scientists were able to search for light signals from the site where the gravitational wave signal occurred.
Additionally, the two gravitational wave detectors also detected collisions of massive cosmic objects called neutron stars, which astronomers recognized as light emissions.
A black hole is an astronomical structure with such a powerful gravitational pull that nothing, not even light, can escape it, according to NASA.
To understand the concept of a black hole, escape velocity refers to the speed at which an object must move to free itself from the gravitational pull of another body.
In addition, the mass of the object and the distance to its center are the two factors that influence its escape speed.
“For example, a rocket must accelerate to 11.2 km / s to escape Earth’s gravity. If, instead, this rocket was on a planet with the same mass as Earth but half the diameter, the speed of leak would be 15.8 km / s “, gave a detailed example from NASA.
Even though the mass is the same, the escape velocity is greater since the object is smaller and denser.
Astronomers have divided black holes into two categories: stellar mass black holes with masses between 5 and 20 times that of the sun, and supermassive black holes with masses millions to billions of times that of the sun.
In addition, they also hypothesized the third class of black holes, called intermediate mass black holes, but it was not until the last decade that they began to detect probable evidence of this. type of black hole.
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