Scientists want to launch telescope to study black holes from space
Black holes are among the most extreme yet fascinating objects in the universe.
One of the common misconceptions about black holes is that they not only swallow matter, but also the history of that matter. So when a black hole forms, you can only guess how it was created.

That is not entirely true.
Information history is only lost when matter crosses the Event Horizon, and perhaps even when it doesn't. The matter surrounding a black hole still has a rich history.
In a recent study, astronomers used that history to explore the origins of a black hole system. The story begins with a system called GRO J1655-40. It’s a binary system containing a black hole with a mass of about seven suns and a companion star with a mass of more than three suns.

According to the understanding of stars, the system originally consisted of two stars, but the larger star exploded as a supernova to become a black hole.
This means that the current system consists of a star, a black hole, and the remaining debris of the exploded star.
To understand the history of that system, the team looked at 2005 data from the Chandra spacecraft, taken when the system was particularly bright in the X-ray range.
Because Chandra collected spectral data from the system, the team was able to use that data to identify the different elements within it. They were able to determine the presence and relative abundance of 18 elements.
This is where astroarchaeology comes in. The elements produced in a star’s core depend on the star’s initial mass and composition. By looking at 18 elements and their abundances, the team was able to reconstruct each of the star’s early features.
They found that the progenitor star to the black hole had the mass of 25 Suns, dwarfing its companion star. This means that most of the material from the original star was ejected into interstellar space, either by the initial supernova explosion or by subsequent stellar winds generated by the system over time.
This type of reconstruction allows astronomers to see how binary stars evolve and how the larger star becomes a black hole or neutron star.
By using this method on other systems, we should be able to better model the dynamics of dying stars.
Black holes are among the most extreme yet fascinating objects in the universe.
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.
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 universe is truly amazing, partly because of its enormous size, and also because of the mysteries that are beyond human imagination.
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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