Science General ยท Geography
Astronomy and Celestial Phenomena
1,884 Questions
This section provides practice questions on astronomy and celestial phenomena, focusing on eclipses, planetary movements, and tides. These concepts are commonly tested in general science sections of various competitive exams. Use this hub to practice questions related to the Earth, Moon, and solar system dynamics.
Solar and lunar eclipsesEquinoxes and solsticesPlanetary movementsOcean tidesCoriolis effectMeteor showers
Astronomy and Celestial Phenomena Questions
What is the principle behind the working of a sundial?
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The Earth's rotation
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The Sun's motion
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The Earth's tilt
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All of the above
D
Correct answer
Explanation
Sundials work on the principle of the Earth's rotation, the Sun's motion, and the Earth's tilt. The shadow of a gnomon (a vertical rod) cast on a dial plate indicates the time of day.
What is the largest solar flare ever recorded?
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The Carrington Event of 1859.
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The Halloween Solar Flares of 2003.
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The Bastille Day Solar Flare of 2000.
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The Solar Flare of March 7, 1989.
A
Correct answer
Explanation
The Carrington Event of 1859 was the largest solar flare ever recorded. It caused a geomagnetic storm that disrupted telegraph communications around the world.
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Natural light displays in the sky caused by the interaction of solar wind with Earth's atmosphere.
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A type of solar wind.
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A sunspot.
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A coronal mass ejection.
A
Correct answer
Explanation
Auroras are natural light displays in the sky caused by the interaction of solar wind with Earth's atmosphere. They are most commonly seen in the polar regions.
What is the minimum of the solar cycle?
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The time when solar activity is at its lowest.
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A type of solar wind.
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A sunspot.
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A coronal mass ejection.
A
Correct answer
Explanation
The minimum of the solar cycle is the time when solar activity is at its lowest. This occurs about every 11 years.
What is the term for a planetary aspect that is considered favorable for financial gain?
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Trine
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Square
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Opposition
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Conjunction
A
Correct answer
Explanation
A Trine is a planetary aspect that is considered favorable for financial gain as it indicates harmony and ease of flow between planets.
What is the astrological term for a period of financial difficulty or loss?
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Saturn Return
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Mercury Retrograde
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Lunar Eclipse
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Solar Eclipse
A
Correct answer
Explanation
Saturn Return is the astrological term for a period of financial difficulty or loss that occurs when Saturn returns to the same position it was in at the time of a person's birth.
What is the astrological term for a period of financial instability or uncertainty?
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Mercury Retrograde
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Lunar Eclipse
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Solar Eclipse
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Saturn Return
A
Correct answer
Explanation
Mercury Retrograde is the astrological term for a period of financial instability or uncertainty that occurs when Mercury appears to move backward in its orbit.
Which astronomical phenomenon is associated with the festival of Holi in India?
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Solar Eclipse
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Lunar Eclipse
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Spring Equinox
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Holika Dahan
D
Correct answer
Explanation
Holika Dahan, also known as Chhoti Holi, is a festival celebrated in India and is associated with the burning of an effigy of Holika, a demoness.
What is the name of the phase when the Moon is fully illuminated?
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New Moon
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First Quarter
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Full Moon
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Last Quarter
C
Correct answer
Explanation
The Full Moon is the phase when the entire face of the Moon is illuminated by the Sun, as seen from Earth.
What is the name of the phase when the Moon is not visible from Earth?
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New Moon
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First Quarter
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Full Moon
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Last Quarter
A
Correct answer
Explanation
The New Moon is the phase when the Moon is between the Earth and the Sun, and its dark side is facing Earth.
What is the name of the phase when the Moon is half illuminated?
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New Moon
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First Quarter
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Full Moon
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Last Quarter
B
Correct answer
Explanation
The First Quarter is the phase when half of the Moon is illuminated, as seen from Earth.
What is the name of the phase when the Moon is three-quarters illuminated?
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New Moon
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First Quarter
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Full Moon
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Last Quarter
D
Correct answer
Explanation
The Last Quarter is the phase when three-quarters of the Moon is illuminated, as seen from Earth.
What is the name of the phenomenon that occurs when the Moon passes between the Earth and the Sun, blocking the Sun's light?
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Solar Eclipse
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Lunar Eclipse
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Meteor Shower
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Comet
A
Correct answer
Explanation
A Solar Eclipse occurs when the Moon passes between the Earth and the Sun, blocking the Sun's light.
What is the name of the phenomenon that occurs when the Earth passes between the Moon and the Sun, blocking the Sun's light from reaching the Moon?
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Solar Eclipse
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Lunar Eclipse
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Meteor Shower
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Comet
B
Correct answer
Explanation
A Lunar Eclipse occurs when the Earth passes between the Moon and the Sun, blocking the Sun's light from reaching the Moon.
In which year did the total solar eclipse, known as the 'Great Indian Eclipse,' occur?
A
Correct answer
Explanation
The 'Great Indian Eclipse' took place on August 18, 1868, and was visible across India and Southeast Asia. It played a significant role in advancing the study of astronomy in the region.