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WorksheetsAdvanced Stellar Evo ST 2020
Total questions: 10
Worksheet time: 3mins
Where are stars born?
Interstellar cloud
In a planet
On Mars
They spawn from another star
______ fusion in a star only starts at main sequence stage.
Physical
Hydrogen
Berylium
Copper
What is an interstellar cloud made of? *You guys must select all those that apply to get the question correct
Plasma
Gases
Space Dust
Water vapour
What are failed PMS stars (lesser than 0.8 Solar Masses and unable to move on to main sequence stage) also known as?
Brown Dwarf
Black Dwarf
White Dwarf
Red Dwarf
Which nuclear fusion process in stars above 1.4 Solar Masses? *HINT: Look at the diagram above
Proton-Proton Chain
Carbon-Nitrogen-Oxygen (CNO) cycle
Berylium-Magnesium Fusion
Uranium-238 Fusion
What happens when a white dwarf heats up and suddenly fuses carbon?
It goes supernova (type 1a)
It goes supernova (type 2)
It turns into a black dwarf
It turns into a black hole
How dense are neutron stars?
Very light
Light
DENSE
VERY DENSE
SUPER DUPER DENSE
Where are red supergiants located in the Hertzsprung-Russell Diagram?
Top left
Top right
Centre
Bottom left
Bottom right
Refer to the diagram. Which letter corresponds to the red giant stage?
A
B
C
D
What type of nebula is this?
Emission nebula
Dark nebula
Planetary Nebula
Protoplanetary Nebula
