Solar System
How many planets in our solar system?
8
What is a galaxy?
A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
What are black holes?
A region of space having a gravitational field so intense that no matter or radiation can escape.
Definition of an asteroid.
A small rocky body roaming the universe.
Which planet is the largest planet in our Solar System?
Jupiter.
What is Pluto classified as?
Dwarf planet
What type of galaxy is the Milky way?
A Spiral galaxy.
How is a black hole caused?
Its usually caused when a Large star is dying in a supernova explosion.
Definition of solar system.
the collection of eight planets and their moons in orbit around the sun, including meteors, and asteroids
Have scientists found a planet habitable for humans yet?
Yes.
What type of star is our sun?
Yellow Dwarf
What type are 20% of the galaxy's out there?
Irregular galaxy's
What is the name of the closest blackhole to Earth?
Gaia BH1, and it is about 1,500 light-years away.
Definition of blackhole.
A region of space having a gravitational field so intense, that no matter or radiation can escape.
Approximately how many galaxy's are in the universe?
Between 200 billion and 20 trillion.
Which direction does Venus rotate in?
Clockwise
Which type of galaxy is the largest galaxy known to mankind?
Elliptical galaxy's.
What would happen if you fell into a stellar-size black hole?
You would be ripped apart into atoms and subatomic particles.
Definition of galaxy.
a system of millions or billions of stars, together with gas and dust, held together by gravity.
When will Andromeda and the Milky way collide?
In (approximately) 4 billion years.
What is the belt of Asteroids in the middle of our solar system called?
Kuiper Belt
What type of galaxy is the Andromeda?
A spiral galaxy
What is the boundary around a black hole beyond which no light or other radiation can escape.
The event horizon.
Definition of the Universe.
All existing matter and space considered as a whole.
Approximately how many stars are in a galaxy?
100 billion stars.