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General Knowledge (GK) > Astronomy > Flashcards

Astronomy Flashcards

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1
Q

The region on the solar surface that appears dark because it’s cooler than the surrounding photosphere is _______________________

A

Sunspot

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2
Q

The planet that is named after the Roman goddess of love and beauty is _______________________

A

Venus

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3
Q

One of the brightest nebulae visible in the night sky is _______________________

A

Orion Nebula

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4
Q

The aura of plasma that surrounds the Sun and other celestial bodies is _____________

A

Corona

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5
Q

An icy small heavenly body that heats up and shows its tail when it passes close to the Sun is ______________________

A

Comet

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6
Q

It is also known as a shooting star or falling star: _______________________

A

Meteor

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7
Q

The sixth closest moon of Jupiter which was discovered in 1610 by Galileo Galilei is _______________________

A

Europa

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8
Q

A huge collection of stars, dust, and gas is _______________________

A

Galaxy

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9
Q

One of the four largest moons of Jupiter is _______________________

A

Europa

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10
Q

A big storm in the southern hemisphere of Neptune is _______________________

A

Great Dark Spot

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11
Q

The first spacecraft to orbit the planet Mercury is _______________________

A

MESSENGER

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12
Q

The largest planet in the solar system is _______________________

A

Jupiter

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13
Q

Who proposed the Big Bang theory?

A

Georges Lemaitre

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14
Q

Easily identifiable patterns of stars are _______________________

A

Constellations

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15
Q

Explosion of an old massive star after its fuel is exhausted is _______________________

A

Supernova

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16
Q

Dying stars that emit a white glow are _______________________

A

White Dwarfs

17
Q

A cloud of interstellar dust or gas visible as patches of light or areas of darkness is _______________________

A

Nebula

18
Q

The galaxy nearest to our own Milky Way is _______________________

A

Andromeda

19
Q

Even light cannot escape from this region. _______________________

A

Black hole

20
Q

This scientist proposed that planets move around the sun in elliptical orbits is _______________________

A

Johannes Kepler

21
Q

A brief eruption of sudden rapid and intense radiation from the sun’s surface is _______________________

A

Solar Flare

22
Q

This planet is named after the Roman messenger of God is _______________________

A

Mercury

23
Q

Evening star is _______________________

A

Venus

24
Q

The first visit to the moon was made by this Soviet spacecraft _______________________

A

Luna 1

25
Q

The distance travelled by light in one year is _______________________

A

Lightyear

26
Q

This theory states that our universe was formed 20 million years ago from a violent explosion is _______________________

A

Big Bang Theory

27
Q

The scientific study of the origin and development of the universe is _______________________

A

Cosmology

General Knowledge (GK) (5 decks)

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