Earth and Space Summative Flashcards
What is a nebula?
A cloud of gas and dust, it is also where stars are born.
What are the forces in the nebula?
Gravity, temperature, and equilibrium.
What does gravity in a nebula do?
It pulls inward.
What does temperature do in a nebula?
It moves particles and creates opposing force to gravity (pressure.)
What does the equilibrium do in a nebula?
It makes the gravity and pressure equal.
What is a characteristic for a nebula?
Static nebula.
How does a solar system start to form? (something hit the nebula)
Collisions or a supernova.
When a supernova or collision happens what gets upset?
The equilibrium.
When the equilibrium is upset what happens?
Gravity overcomes the pressure.
When gravity overcomes pressure in the equilibrium what happens?
The nebula collapses inward which triggers the process of the solar system formation happens. Then the star formation starts also.
What happens when the nebula collapses inward?
The nebula begins to spin and flatten.
When a nebula spins and flattens what happens?
The center warms greatly.
When the middle of the nebula warms what happens?
Star forms as hydrogen fusion begins.
When hydrogen fusion begins what happens?
Solar winds come blow out all the extra gas and dust.
What happens after solar winds come in?
Planetesimals form.
