Black Holes
True Or False? Light can escape black holes.
False
What is the Milky Way?
The Milky Way galaxy is a large spiral collection of billions of planets, stars, dust, and rocks.
What is a Galaxy?
A galaxy is a large gravity bound system that consists of stars, interstellar gas, planets, dark matter, and the remnants of celestial or stellar bodies.
What is the Name of Our Presentation?
Galaxies
What is Sagittarius A*?
Sagittarius A* is the black hole at the center of the Milky Way
What is a Black Hole?
A black hole is an area in space where the gravity is so strong even light cannot escape it.
Can the Milky Way be seen from Earth?
Yes.
What is the biggest Galaxy?
The Alcyoneus Galaxy
Who made this Presentation?
Alina & Mindy
Do all galaxies have a supermassive black hole?
No, not all galaxies have a supermassive black hole.
Can you see black holes?
No, you can't simply because it absorbs light.
What is the closest galaxy to the Milky Way galaxy?
Andromeda (M31)
Which galaxy has the least amount of stars?
URSA Major III/ UNIONS 1
Are there stars in outer space?
Yes
What is the only planet in our solar system that is not named after a Greek or Roman god?
(Hint: It is one of the 4 closest planets to the sun.)
Earth
What is the biggest Black hole?
Phoenix A*
How was the Milky Way formed?
The Milky Way was formed when clumps of gas, dust, and dark matter formed together and under gravity, created a large rotating galaxy.
What is the Smallest Galaxy?
Ursa Major III/UNIONS 1
Is there breathable Oxygen in outer space?
No.
How many stars are there in the IC 1101 galaxy?
IC 1101 has an estimated 100 trillion stars.
How is a black hole formed?
A black hole is formed when large stars exhaust themselves and collapse under the pressure of gravity forming a black hole.
What does the Milky Way Galaxy Do?
The Milky Way turns interstellar gas into new stars and absorbs small satellite galaxies (small galaxies that orbit a big galaxy).
Which Galaxy has the most stars?
IC 1101
Does Sagittarius A* Pose A threat to the Earth?
No
What is the biggest black hole's diameter?
The biggest Black Hole is Phoenix A* with a diameter of 590 000 000 000 km.