Download BLACK HOLES

BLACK HOLES
BY: RACHEL MACAS
Super novas forming a
black hole
www.google.com
How Big A Black Hole Is
A black hole is a billion times bigger or massive
than the sun!
The most common black holes are as big as 10
suns altogether
An artist drew this picture
of a black hole of what he
thinks black holes look
like www.google.com
When Black Holes Where Found
Black holes have been around for many
centuries (centuries=100 years).
They first found out there was black holes in
space in 1783
2 Black holes.
www.google.com
How Black Holes Form
When a massive or big star dies and collapses
under its own mass it then starts to create a
black hole
These stars are called super novas
This is a black hole sitting
inside of a galaxy.
www.google.com
How Strong A Black Hole Is
A black holes gravitational pull is so strong that
light or dust that got into it can’t even escape
it
Black hole
www.google.com
Where A Black Hole Lies
A black hole sits in the center of galaxies
One of the heaviest
black hole in the
world
www.google.com
How Black Holes Are Seen
Scientists use a satellite that takes x-ray pictures
of space
In 1970 American scientists launched a satellite
to orbit in space called the Uhuru. It had a
powerful x-ray to see anything that’s violent in
space.
2 massive black holes taken by
NASA www.google.com
The Uhuru
satellite
1970
Cool Facts
Black holes come in all different sizes
Black holes are not a danger to Earth
A person cannot fall into a black hole but if they
did and they went in feet first their body will
stretch out
In 1915 Einstein named black holes
“Schwarzschild Singularities.” Then in 1967 it
was changed to black holes
A black hole forming
taken by NASA
www.google.com
Resources
www.google.com
www.nasa.gov
Black Holes
www.spacefellowship.com
Factoids
www.wikipedia.com
A black hole in space
www.google.com