GENERAL KNOWLEDGE

GK

THE UNIVERSE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
At the center of most, if not all galaxies is a ____
A
Giant sun
B
Giant black hole
C
A big bang
D
A small sun
Explanation: 

Detailed explanation-1: -Astronomers believe that supermassive black holes lie at the center of virtually all large galaxies, even our own Milky Way. Astronomers can detect them by watching for their effects on nearby stars and gas. This chart shows the relative masses of super-dense cosmic objects.

Detailed explanation-2: -Sagittarius A* (/ˈeɪ stɑːr/ AY star), abbreviated Sgr A* (/ˈsædʒ ˈeɪ stɑːr/ SAJ AY star), is the supermassive black hole at the Galactic Center of the Milky Way.

Detailed explanation-3: -They are believed to be at the center of every galaxy because they have such gravitational power and strength that they can pull the rest of the dust, asteroids, planets and suns close to it.

There is 1 question to complete.