Black holes form from massive stars that collapse in on themselves upon supernova. They come in various sizes, from as small as an atom to supermassive with masses over a million suns. While black holes themselves cannot be seen as their gravity traps all light, scientists can observe their effects on nearby stars and gas through radiation and orbital pulls. The closest black hole discovered to Earth is located a safe distance away, but if one were to get too close to a massive black hole, its intense gravity could destroy anything within its reach.

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These black holes are dark most of the time,
but when their gravity pulls in nearby stars
and gas, they flare into intense activity
and pump out a huge amount of radiation.
Massive black holes are dangerous in two
ways. If you get too close, the enormous
gravity will suck you in.
SMALLEST - AS SMALL AS AN ATOM & IT
IS VERY TINY BUT HAVE THE MASS OF A
LARGE MOUNTAIN.
STELLAR BLACK HOLE - 20 TIMES MORE
THAN THE MASS OF THE SUN.
SUPERMASSIVE - THE LARGEST BLACK
HOLES WITH MASSES OF MORE THAN 1
MILLION SUNS TOGETHER.
formation of Black Holes
Most black holes form from the remnants of
a large star that dies in a supernova
explosion .Smaller stars become dense
neutron stars, which are not massive enough
to trap light
Existence of black
holes
Black holes cannot be seen because
all of the light was pulled by strong
gravity pulls. Scientist observed how the
strong gravity affects the stars and
gasses around black holes. also, if
black hole and star are close together,
high-energy light is made.
Black Hole closest to
Black Hole closest to
Black Hole closest to
earth discovered
earth discovered
earth discovered
BLack holes
A REGION IN SPACE WHERE
GRAVITY PULLS IS SO STRONG AND
NO LIGHT CAN ESCAPE FROM IT.
BLACK HOLES FORMED BY THE
DEATH OF MASSIVE STARS.
IS black hole
dangerous?
size of
BLack holes
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