| Quiz | Space physics |
|---|---|
| Name | |
| Result | PASSED |
| Score | 19 / 21 (90.5%) |
| Passing score | 16.8 |
| Quiz took | 2 min 40 sec |
| Quiz finished at | 2022-04-02 14:46:25 |
A main sequence star usually lasts
Our solar system has
Evidence suggests that the Universe started with
A super dense point in space that not even light can escape from, is known as a
Stars initially form from a cloud of dust and gas called a
A white dwarf cools down and emits less and less energy and turns into a
Moons orbit
The size of a planet's orbit depends on its
Small and medium sized stars such as the sun will eject their outer layers of dust and gas to leave behind a
Pluto is a
Our solar system has
Objects in the Universe appear to be moving away from us because of
When the temperature increases, hydrogen nuclei undergo nuclear fusion to form
Our solar system is called
The stable period of a star is known as a
When the hydrogen runs out, the star swells and turns into a
Gravity pulls dust and gas together to form a
Exploding supernovae leave behind a very dense core called a
Massive stars will become
The Universe appears to be
A big star can eventually explode in what is known as a