Black Holes Can Revive Dead Stars!

A group of astronomers; He performed computer simulations to determine what would happen if an exhausted star residue known as a white dwarf passed near a medium-mass black hole, whose mass ranged from 1,000 to 10,000 times the mass of our sun.
Researchers; They determined that the strong gravitational pull of the black hole significantly restores and distorts the immobile interiors found in the white dwarf, thereby re-firing nuclear fusion processes for a few seconds by converting elements such as helium, carbon and oxygen into heavier iron elements.

Such “tidal degradation events (TDEs)” also occur in gravitational waves (space time fluctuation) predicted by Albert Einstein a century ago and first detected by the Laser Interferometer Gravitational Wave Observatory (LIGO) for the first time in 2015. It can remove.
According to the team members, LIGO will not be able to detect these particular gravitational waves, but other vehicles such as the Laser Interferometer Space Antenna, which belongs to the European Space Agency, will be able to do this in the coming years.

According to the research; Large quantities of substances from the severely degraded white dwarfs can be drawn into black holes, revealing strong radiation bursts that can be detected even with the telescopes we now use.

These new results suggest a better way to address medium-mass black holes that are very difficult to investigate. Astronomers have so far identified small-mass and super-mass black holes with millions or billions of solar masses known to be at the center of many galaxies. However, those with medium mass had always remained difficult to understand.

Chris Fragile, a professor of physics and astronomy and co-author of the study at the College of Charleston in South Carolina, said that knowing how many medium-mass black holes is important in answering the question of how super-mass black holes were formed. "Finding medium-mass black holes through tidal degradation events will be a huge advance," he added.

According to the researchers; supermassive black holes are not big destructors. These giants gently sweep the white dwarfs without possibly causing them any significant damage. This new study reveals a scenario that explains how our sun will end in the distant future rather than an academic interest.
The end of every star that begins its life with about 8 solar masses or less, will turn into a super dense white dwarf. This fate awaits our sun in 5 billion years. After consuming the hydrogen fuel tank it contains, it will swell and turn into a red camel and then collapse and become a white dwarf.


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