Black hole

Subject: Science and tech

Context:

In August 1970, in a paper in Nature, relativist C. V. Vishveshwara first published a calculation and plot of the signal that would be given out by a single perturbed back hole.

Concept:

• Black hole refers to a point in space where matter is so compressed as to create a gravity field from which even light cannot escape.
• Black-holes were theorized by Albert Einstein in 1915.

Related Terms :

Event Horizon

There is a region of space beyond the black hole called the event horizon. This is a “point of no return”, beyond which it is impossible to escape the gravitational effects of the black hole.