The Solar System Flashcards
1
Q
What is our solar system a small part of?
A
- Our solar system is a small part of The Milky Way Galaxy.
2
Q
How was the sun formed?
A
- Formed from a cloud of dust and gas (nebulla) pulled together by gravitational attraction.
3
Q
What are the components of our solar system?
A
- One star (the sun.)
- Eight planets (MVEMJSUN) -starting with Mercury
- Dwarf planets
- Natural satelities
- The moons (that orbit planets.)
4
Q
Fill in the missing word…
All the planets (inc dwarf planets) orbit around ……….
A
- The sun.
5
Q
What happens after the dust and gas (nebulla) are drawn together by gravity?
A
- This causes fusion reactions to occur.
6
Q
Why is there, eventually, an equilibrium between in the star?
A
- There is an equilibrium between the gravitational collapse of the star and the expansion of the star due to fusion energy.
