A star, just like our solar in measurement and composition, positioned about 12,000 light-years from Earth has swallowed up its jupiter-sized planet. This week’s quiz is about stars.
Sci-Five | The Hindu Science Quiz: on stars
An evening sky view at Emerald village, Udhagamandalam. File
START THE QUIZ
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What are stars fabricated from?
- Radon
- Plutonium
- Tungsten and mercury
- Hydrogen and helium
Stars are massive exploding balls of gasoline, largely fabricated from hydrogen and helium. Our Sun truly consists of 90% hydrogen and a combination of different gases.
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What sort of response energy stars?
- Nuclear fusion
- Nuclear fission
- Combustion response
- Redox response
Deep inside a star’s core, hydrogen atoms smash collectively, forming helium and releasing enormous quantities of warmth and light-weight vitality. This is named nuclear fusion.
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What occurs when a star turns into a pink large?
- The star’s environment shrinks
- The star’s environment begins to broaden
- The star extinguishes
- Nuclear fusion stops within the star’s core
A low-mass star’s environment begins to broaden till it turns into a subgiant or large star whereas fusion converts helium into carbon within the core.
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What is the heaviest component produced by a star?
After the hydrogen in a star’s core is exhausted, it begins to fuse helium to type progressively heavier components, carbon and oxygen and so on, till iron is fashioned.
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What color do the most popular stars seem like?
The hottest star seems to be blue as blue gentle carries extra vitality than pink, which implies it wants a warmer radiation supply to provide it. The excessive temperature of blue stars, coupled with their excessive luminosity, signifies that they’re continuously blasting out enormous quantities of vitality into house.
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