SCIENTISTS DETECT THE UNIVERSE’S ‘NOISY’ GRAVITATIONAL WAVE BACKGROUND:

Question 1

: Gravitatonal waves were frst
detected in

Answer 1

2015

Question 2

GRAVITATIONAL WAVE FOUND using an experiment, involving

Answer 2

Laser
Interferometer Gravitatonal Observatory (LIGO) detectors

Question 3

• How was the low frequency wave detected?

Answer 3

radio astronomers representng** fIve** diferent
internatonal teams including Indian Pulsar Timing Array (InPTA).
used six large radio telescopes around the world, including the one
in Pune, to study objects called pulsars —

Question 4

BLACK HOLE IDEA

Answer 4

This astonishing idea was frst announced in
1783 by John Michell an English astronomer.

Question 5

India’s Giant Metrewave Radio
Telescope (GMRT) is among the world’s six large telescopes.
The Giant Metrewave Radio Telescope (GMRT), located near
Narayangaon, Pune in India

Question 6

researchers trapped gravitatonal waves
produced by two black holes that coalesced into one and were able to verify their
hypothesis on** September 14, 2015**

Question 7

eneral relatvity, also known as the
general theory of relatvity and Einstein’s theory of gravity, is
the geometric theory of gravitaton published by Albert
Einstein in 1915