CURRENT AFFAIRS

2016

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Scientists have measured a monster black hole at the center of a galaxy at 73 million light years from earth. How big is this black hole
A
660 million times than Sun
B
360 million times than Sun
C
560 million times than Sun
D
360 million times than Sun
Explanation: 

Detailed explanation-1: -The largest black hole ever found in the known universe is found in Ton 618. This is a hyper luminous Lyman-alpha blob that has a black hole that measures 6.6×1010 solar masses. It has a mass that equals about 66 billion times that of the Sun. This supermassive black hole is some 18.2 billion light-years from Earth.

Detailed explanation-2: -Stellar-mass black holes are typically in the range of 10 to 100 solar masses, while the supermassive black holes at the centers of galaxies can be millions or billions of solar masses. The supermassive black hole at the center of the Milky Way, Sagittarius A*, is 4.3 million solar masses.

Detailed explanation-3: -The Milky Way black hole is called Sagittarius A*, near the border of Sagittarius and Scorpius constellations. It is 4 million times more massive than our sun.

Detailed explanation-4: -English: Phoenix A, the new largest known black hole, compared to famous ultramassive black hole Ton 618 and the Orbit of Neptune for scale.

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