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-5 | The Hindu Science Quiz: on stars
An evening sky view at Emerald village, Udhagamandalam. File
START THE QUIZ
1 / 5 |
What are stars product of?
- Tungsten and mercury
- Hydrogen and helium
Stars are huge exploding balls of gasoline, largely product of hydrogen and helium. Our Solar truly consists of 90% hydrogen and a mix of different gases.
2 / 5 |
What kind 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 lightweight vitality. That is known as nuclear fusion.
3 / 5 |
What occurs when a star turns into a purple big?
- The star’s environment shrinks
- The star’s environment begins to develop
- The star extinguishes
- Nuclear fusion stops within the star’s core
A low-mass star’s environment begins to develop till it turns into a subgiant or big star whereas fusion converts helium into carbon within the core.
4 / 5 |
What’s 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 forth, till iron is shaped.
5 / 5 |
What color do the most well liked stars seem like?
The most well liked star seems to be blue as blue gentle carries extra vitality than purple, which implies it wants a warmer radiation supply to supply it. The excessive temperature of blue stars, coupled with their excessive luminosity, signifies that they’re always blasting out enormous quantities of vitality into area.