At the heart of the Milky
Way there is a distortion in the
fabric of the Universe Caused by something
4 million times more massive then our sun. Space and time
are so worried in its vicinity that light rays are trapped
if the venture closer
Than, 12 million
kilometer. The reigion of no return is
bounded by an event horizon
So named because the Univeres outside is forever
isolated from anything that happens within. Or so we used
to think when he named was coined. We have named it
Sagittarius A* and it is a supermassive black hole.
Today, we have concrete observational evidence That our
Universe is populated by black holes.
The Event Horizon Telescope Collaboration, as network Of radio telescope
located across the America, Europe, the
Pacafic, Greenland and Antartica. The
Central eupermassive black hole is the galaxy (M87) Messles
37, which ties 50 million light years. From earth. As is so often the lase in
Science.
The from yar away grows increasingly Wonderful as you learn
about more about what you are looking at.
The black hole has a
massi a 6.5 billion Times than our sun and lies with in the dark central
reigion, known as the shadow. This Reigion is dark because gravity is so strong
than light cannot escape, and since nothing can travel faster than light,
nothing Can escape. Inside the shadow lies the event horizon of M87’s black
hole, a sphere in space of diametar 240 times the from the singularity.
The bright disk surrounding the shadow is formed mainly by
rays of light emitted from gas and dust
spiral ring around and into black hole, their paths twisted forged into a
distinctive doughnut shape by the black hole’s gravity.
The supermaisive black hole centre of our own galaxy,
Sagittarius A*. At a massi of 4.31 milliion solar masses, it is a minnow by
comparision. The Glowing disk would get fit comfortably within the orbit of
mercury. Its presence was first inferred Indirectly, by observing the orbits of
stars around It. These stars are known as ‘S stars’ The star S2 orbits
particularly close to the back hole, With a period of just 16.0518 years, The
precision is important, because the detailed Imformations of S2’s orbit wo were
compared with a predictions of general relativity and used to infer the
presence of a black hole well before “it was photogrophed. S2 was observed to
make the closest approach to Sagittarius A* in 2018, when it passed within just
120 Astrononical unite of the Event Horizon.At closest approach it was
travelling at 3% of the speed of light.
Astronomer Reinhard Genzel and Andrea Ghez received the 2020
Nobel Prize for these high precision observations performed over many years.
Author-
Jashraj Rajeev Mehta
A student of EsroMagica.
“Explore
everything in your life and never give up without any fight”
“Science is
the best and brightest gift from God to Humanity”