ESS
Grade-9
Easy
Question
_______ is the major fuel consumed in the core of a red giant.
- O
- Fe
- He
- C
Hint:
Helium is the major fuel composed in the core of the Red Giant stars.
The correct answer is: He
- The Red-Giant Brach stars have red giant stars in common.
- They are composed of hydrogen nuclei.
- The hydrogen fuses to form helium which fuels them.
Related Questions to study
ESS
Match the following
| Name of the star |
Color of the star |
| 1. Rigel |
a. Orange dwarf |
| 2. Sirius B |
b. Blue supergiant |
| 3. Betelgeuse |
c. White dwarf |
| 4. Epsilon Indi |
d. Red supergiant |
Match the following
| Name of the star |
Color of the star |
| 1. Rigel |
a. Orange dwarf |
| 2. Sirius B |
b. Blue supergiant |
| 3. Betelgeuse |
c. White dwarf |
| 4. Epsilon Indi |
d. Red supergiant |
ESSGrade-9
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Most stars end their lives as ________.
Most stars end their lives as ________.
ESSGrade-9
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_________ stops a white dwarf from totally collapsing upon itself.
_________ stops a white dwarf from totally collapsing upon itself.
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A swiftly rotating neutron star is known as a ____________.
A swiftly rotating neutron star is known as a ____________.
ESSGrade-9
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In which type of model are the Sun, other stars, and the Moon in orbit around the Earth?
In which type of model are the Sun, other stars, and the Moon in orbit around the Earth?
ESSGrade-9
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Which visible motion can be explained by a geocentric model?
Which visible motion can be explained by a geocentric model?
ESSGrade-9
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Which of the following statement is correct?
Which of the following statement is correct?
ESSGrade-9
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In __________ model the Sun, other stars, and the Moon orbit around the Earth.
In __________ model the Sun, other stars, and the Moon orbit around the Earth.
ESSGrade-9
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In the geocentric model, _________ motion would occur.
In the geocentric model, _________ motion would occur.
ESSGrade-9
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Jupiter, Saturn, Uranus, and Neptune are__________.
Jupiter, Saturn, Uranus, and Neptune are__________.
ESSGrade-9
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Which of the following planet nearest to the Earth?
Which of the following planet nearest to the Earth?
ESSGrade-9
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The heliocentric model of the universe replace the geocentric model of the universe because__________.
The heliocentric model of the universe replace the geocentric model of the universe because__________.
ESSGrade-9
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The following model of solar system was proposed by_________.
The following model of solar system was proposed by_________.
ESSGrade-9
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Select the correct sequence of planets starting from the sun.
Select the correct sequence of planets starting from the sun.
ESSGrade-9
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The gravitational forces pulling the masses inwardly become_________ by the forces generated by nuclear fusion forcing outward.
The gravitational forces pulling the masses inwardly become_________ by the forces generated by nuclear fusion forcing outward.
ESSGrade-9
