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The Sun & Stars
Space - Sun & Stars (Applied)
Question | Answer |
---|---|
What is the hottest part of the sun? | Core |
The type of nuclear reaction that occurs in the core of the sun? | Nuclear Fusion |
What happens in nuclear fusion? | Hydrogen atoms combine to form helium atoms which releases energy in the process. |
What are the gases that make up the Sun? | Hydrogen & Helium. |
What are the 2 forces that occur in the Sun? | 1) Expansion due to heated gases. 2) Gravity due to the heavy core of the Sun. |
When nuclear fusion stops in a yellow star, what does it turn into next? | Red Giant. |
When nuclear fusion stops in a blue star, what does it turn into next? | Super Giant. |
A vast cloud of dust and gas is known as what? | Nebula. |
What is the theory that explains how a solar system is formed from a nebula spinning into a disk motion? | Solar Nebula Theory |
What is the term that describes a newborn star? | Protostar. |
What is the colour of the largest, heaviest type of star? | Blue star. |
What is another name of a red star? | Red dwarf. |
Two stars that orbit each other are known as what? | Binary Stars. |
What is a Solar Mass? | The mass of a star relative to our Sun. |
After a blue star becomes a super giant, the core implodes due to gravity followed by a large explosion known as a...? | Supernova |
The measure of a total amount of energy emitted per second is known as defines what term? | Luminosity |
When a red dwarf or an intermediate (yellow) star dies, the core is left over. What is the left over core called? | White dwarf |
What happens to a blue star (super giant) after it goes supernova? | It becomes either a black hole, neutron star or pulsar |