P8: Space Physics Flashcards
What is the order of the solar system?
- Sun
- Mercury
- Venus
- Earth
- Mars
- Asteroid Belt
- Jupiter
- Saturn
- Uranus
- Neptune
- Kuiper Belt
What is the galaxy that we live in?
The Milky Way
What is in the middle of the Milky Way?
A black hole
What is a nebula?
- A cloud of dust and gas
- Come together under the force of gravity
What is the lifecycle of an average sized star?
- Nebula
- Main sequence star
- Red Giant
- White Dwarf or Black Dwarf
What is the lifecycle of a large star?
- Nebula
- Main sequence star
- Red super giant
- Supernova
- Black hole or neutron star
How do we know that our sun is a second stage star?
It has heavy elements e.g. iron
What is in the centre of a star?
- Hydrogen
- Helium
- Undergoes nuclear fusion
What is released from nuclear fusion within a star?
- Energy
- Light
- Heat
What is an artificial satellite?
A man made object orbiting the earth
What is a natural satellite?
Something that naturally orbits the earth and is not man made e.g. the moon
Why do satellites orbit the Earth?
Due to gravity
What is speed?
How fast you are going, no direction
What is velocity?
How fast you are going in a certain direction
What type of quantity is speed?
Scalar
