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Editor: Pavan Kumar

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Can a Black Hole be destroyed ?

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A black hole is a place in space where gravity pulls so much that even light can not get out. The gravity is so strong because matter has been squeezed into a tiny space. This can happen when a star is dying.  Because no light can get out, people can't see black holes. They are invisible. Space telescopes with special tools can help find black holes. The special tools can see how stars that are very close to black holes act differently than other stars. Scientists think the smallest black holes formed when the universe began.  Stellar black holes are made when the center of a very big star falls in upon itself, or collapses. When this happens, it causes a supernova. A supernova is an exploding star that blasts part of the star into space. Scientists think supermassive black holes were made at the same time as the galaxy they are Black holes are among the most destructive objects in the universe. Anything that gets too close to the central singularity of a black hole, be it an...
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The Merger of Two Black Holes with Unequal Masses

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  https://www.ligo.caltech.edu/news/ligo20200420 In a first, a group of space experts has identified gravitational waves emerging from the merger of two Binary Black Holes (BBH) with significantly unequal masses. GW190412 is the first observation of a binary black hole merger where the two black holes have distinctly different masses of around eight and 30 times that of our Sun. This is the first binary black-hole system observed that have a significant difference between the masses. This big mass difference means astronomers can accurately measure several properties of the system, such as its distance to us, the angle we look at it, and how fast the heavy black hole spins around its axis. GW190412 was first observed by both LIGO detector and the Virgo finder on the 12th of April 2019, early during the detector’s third observation run O3. Examinations uncover that the merger occurred at a distance of 1.9 to 2.9 billion light-years from Earth. The new unequal mass sy...
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SpaceX and NASA target first operational astronaut crew launch for late September

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  Image Credits:  SpaceX SpaceX   and NASA are aiming to launch the first official operational mission of the SpaceX Crew Dragon human-rated spacecraft sometime in September, the agency revealed via a media update this week. The launch had been tracking towards an August date, but the updated timeframe indicates “late September,” allowing time for the completion of the current Crew Dragon Demo-2 mission which will see astronauts Bob Behnken and Doug Hurley return to Earth using the SpaceX  spacecraft potentially as early as August 1. The Demo-2 mission, while it carried actual astronauts to the International Space Station, is actually the final step in the test and development phase of human-rating Crew Dragon and Falcon  9, meaning that they’ll then be qualified for regular service transporting astronauts in the eyes of NASA. Crew-1 is the first operational mission, meaning the first considered a standard part of SpaceX’s contract to provide regular astronaut ...
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