Stars
Galaxies
Miscellaneous
100
What is a white dwarf?
A small star the size of a planet formed when a star has exhausted (used up) all of its fuel.
100
What is a spiral galaxy?
A type of galaxy in which everything revolves around a supper giant star or black hole.
100
What is a black hole?
A space in the universe with so much density and gravitational pull that not even light can escape formed by collapsed stars.
200
What is a Neutron Star?
A star that is entirely made out of negatively charged neutrons formed when a giant star collapses and forms a type 2 supernova.
200
What is an elliptical galaxy?
A galaxy that is smooth and almost featureless in the shape of a disk they are theorized to be one of the first type of galaxy.
200
What is the difference between apparent magnitude and absolute magnitude?
Apparent magnitude is how bright the star seems from earth and absolute magnitude is the actual brightness of a star.