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Black hole merges with unusual compact object
Why is it in News?
- LIGO Scientific and VIRGO Collaborations detected merging of black hole with unusual compact object
More on News
- Compact object means its mass falls between typical black hole and neutron star
- Unusual due to mass ratio which was 1:9. This is highest disparity in masses observed till date
- Black hole
(1) Region of spacetime where gravitational force is too high that nothing including light can escape from it
(2) Formed after supernova explosions of massive stars
(3) In his general theory of relativity, published in 1915, Albert Einstein was the first to suggest that our universe contains such strange, dense, massive objects
(4) Theoretical physicist John Wheeler first coined the name black hole many years later, in 1967.