ESS
Grade-9
Easy
Question
Nova is a ____________.
- Nuclear explosion triggered by a growth of hydrogen on the surface of a white dwarf star.
- A highly magnetic, rotating star that emits a ray of radiation.
- A star-like body that may transmit radio waves and other kinds of energy.
- Supernova
Hint:
Nova is a nuclear explosion triggered by the growth of hydrogen on the surface of the white star.
The correct answer is: Nuclear explosion triggered by a growth of hydrogen on the surface of a white dwarf star.
- Nova is an explosion that occurs in a white dwarf star.
- The white dwarf stars steal the fuel from the nearby star to build up the gas.
- It is a nuclear explosion that occurs when the star uses up hydrogen fuel.
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| Name of the star |
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| 1. Rigel |
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