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Questions and Answers
Which of the following is true about protostars?
Which of the following is true about protostars?
- Protostars are formed when gas particles collide in a supernova remnant.
- Protostars are formed when gas particles collide in a planetary nebula.
- Protostars are formed when gas particles collide in a white dwarf.
- Protostars are formed when gas particles collide in a molecular cloud. (correct)
What is the main source of energy for protostars?
What is the main source of energy for protostars?
- Chemical reactions
- Nuclear fusion
- Gravitational contraction (correct)
- Electromagnetic radiation
How are protostars different from stars?
How are protostars different from stars?
- Protostars do not emit any light or heat.
- Protostars are not composed of gases and dust.
- Protostars are smaller in size compared to stars.
- Protostars have not yet reached a stable state of nuclear fusion. (correct)
What can be observed during the formation of protostars?
What can be observed during the formation of protostars?
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How can the formation of protostars be observed?
How can the formation of protostars be observed?
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