Solar Eclipse Questions

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Very Short Answers Questions [1 Mark Questions]

Ques. What solar eclipse occurs?

1. When Moon is between Earth and Sun
2. When Earth is between Sun and other celestial bodies
3. When Earth is between Sun and Moon
4. When Sun is between Earth and Moon

Ans. The correct answer is a. When Moon is between Earth and Sun

Explanation: A solar eclipse happens when the moon passes between the Earth and the sun.

Ques. What lunar eclipse occurs?

1. When Sun is between Earth and Moon
2. When Moon is between Earth and Sun
3. When Earth is between Sun and other celestial bodies
4. When Earth is between Sun and Moon

Ans. The correct answer is d. When Earth is between Sun and Moon

Explanation: A lunar eclipse happens when the earth passes between the moon and the sun. 

Ques. When the same pattern of solar eclipse repeats every 18 years 11 days 8 hours are known as:

1. Payan cycle
2. Nodes cycle
3. Saras cycle
4. Saros cycle

Ans. The correct answer is d. Saros cycle

Explanation: The pattern of eclipses repeats after one saros cycle of 18 years 11 days 8 hours.

Ques. During a lunar eclipse, the visible red color is because of

1. Dust in the atmosphere of the moon
2. Dust in the atmosphere of the earth
3. Dust in space
4. None of the above

Ans. The correct answer is b. Dust in the atmosphere of the earth

Explanation: Red color is seen during the lunar eclipse due to dust in the atmosphere of the earth.

Ques. Diamond ring occurs in which type of solar eclipse?

1. Partial Solar eclipse
2. Annular Solar eclipse
3. Total Solar eclipse
4. None of the above

Ans. The correct answer is c. Total Solar eclipse

Explanation: During the total solar eclipse when the moon makes the final move over the sun a diamond ring is observed.

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Short Answers Questions [2 Marks Questions]

Ques. What is an eclipse?

Ans. In astronomical terms, an eclipse occurs when the light from an astronomical object or spacecraft is temporarily obscured by another body, either by passing into that body's shadow or by having another body pass between it and the observer.

Ques. What is meant by the solar eclipse?

Ans. The phenomenon of a solar eclipse occurs when the moon passes between the Earth and the sun, obscuring the total or partial view of the sun from a small part of the earth.

Ques. What is the Diamond Ring Effect?

Ans. During the solar eclipse when the moon makes the final move over the sun, then a diamond ring structure can be observed which is known as the diamond ring effect.

Ques. What is meant by the lunar eclipse?

Ans. A lunar eclipse is an astronomical phenomenon that occurs when the Earth passes between the moon and the sun or the moon moves into the Earth's shadow, causing the Moon to be darkened.

Ques. How many layers are there in the atmosphere of the Sun?

Ans. There are mainly three layers in the Sun’s atmosphere. They are

• The photosphere
• The chromosphere
• The corona.

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Long Answers Questions [3 Marks Questions]

Ques. How is the sun completely blocked in an eclipse?

Ans. The sun is completely blocked in a total solar eclipse because the moon passes between the earth and the sun. 

• Although the moon is much smaller in size than the sun, it appears to be completely blocking the sun.
• This happens due to the position of the moon from the surface of the earth.
• The moon is much nearer to the Earth as compared to the sun.

Ques. What is meant by totality during a solar eclipse?

Ans. Totality refers to the term when the entire Sun is blocked by the Moon during a solar eclipse. Totality can happen only during the total solar eclipse. It cannot be observed during annual or partial eclipse.

Observing a solar eclipse with bare eyes is very dangerous except during the short period of totality.

Ques. What are the three types of solar eclipses?

Ans. The three types of solar eclipses are

• Total Solar Eclipse: When the Moon passes between the Sun and the Earth, completely blocking the face of the Sun then the eclipse is known as the total solar eclipse.
• Annual Solar Eclipse: When the Moon passes between the Sun and Earth, but when it is at or near its farthest point from Earth, then the eclipse occurs known as the annual solar eclipse.
• Partial solar eclipse: When the moon passes between the earth and the sun is not perfectly aligned in the same line, then the eclipse is known as a partial solar eclipse.

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Very Long Answers Questions [5 Marks Questions]

Ques. What is the difference between a Lunar and Solar eclipse?

Ans. When the earth is aligned between the sun and the moon then the lunar eclipse occurs and when the moon is aligned between the earth and the sun then the solar eclipse occurs.

The sun is at the center of our solar system and the earth is orbiting the sun. 

• The moon also orbiting the earth. 
• The moon is visible to us because it reflects the sunlight from its surface. 
• When the sun, the earth, and the moon align in the same straight line then an eclipse is happen.

Ques. What is meant by umbra and penumbra?

Ans. The shadows produced by the moon on the surface of the earth are of two types

• Umbra
• Penumbra

The size of the shadow of the moon known as the umbra reduces as it reaches the surface of the earth. This type of moon’s shadow constitutes the dark center of the total shadow of the moon.

The size of the shadow of the moon known as the penumbra increases as it reaches the surface of the earth. Those who are standing in the Penumbra region will always observe a partial solar eclipse.

Ques. What are the features of the Sun that can be visible during an ideal solar eclipse?

Ans. Many features of the Sun can be observed during a solar eclipse. 

• Solar Corona: It is the outermost layer of the atmosphere of the sun. During a total solar eclipse, it appears as a faint, glowing structure surrounding the darkened disk of the Moon.
• Prominences: Prominences are large plasma and magnetic field structures that extend outward from the Sun's surface. It is common for prominences to appear more prominent during a total solar eclipse.
• Solar Flares: A solar flare is an intense eruption of electromagnetic radiation in the Sun's atmosphere. They are rarely observed during a solar eclipse.
• Diamond Ring Effect: The Diamond Ring effect is also observed when only a small portion of the sun is visible during the solar eclipse.

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