Spachsce Flashcards
1
Q
How many planets are in our solar system?
A
8 (main and dwarf)
2
Q
How was the sun formed?
A
By a nebula (cloud of dust and gas) that was pulled together by a gravitational force
3
Q
Order of the fucking planets
A
- Mercury
- Venus
- Earth
- Mars
- Jupiter
- Saturn
- Uranus
- Neptune
- Pluto
4
Q
Lifecycle of a fucking star
A
- Cloud of gas (nebula)
- Gravity pulls them together and the cloud becomes more concentrated
- Temperature of the cloud increases
- Eventually temperatures are so high and pressures are so great that the particles fuse together
- Fusion occurs as the lighter nuclei fuse to form helium
hydrogoen - Creatiga large amount ogf energy
- This release of energy opppses the collapse of the cloud due to gravity
- Eventually an equilibrium forms where the force of gravity and the energy released from fusion balance
- Thuis, a star has formed
- EVentually the star runs out of helium to fuse
- So it is not in equilibrium
- The star collapses
- If massive, the star collapses, increasing the pressure and temoerature of core
- Heavier nuclei fuse
- Red supergiant
- Once all the elements up to iron have been fused, it forms a supernova
- Which is followed by either a black hole or a neutron star
- If the star is normal sized, it forms a red giant
- White dwarf
- Black dwarf