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What is the meaning of the word "Astro" ?

Star
Moon
Planet
All above

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In Greek words, astro means star and nomy means law of the stars.

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What is a Light-year ?

Unit of energy
Unit of length
Unit of heat
Unit of mass

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As defined by the International Astronomical Union (IAU), a light-year is the distance that light travels in a vacuum in one Julian year.

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Which was the first living being sent to space ?

A Mouse
A Dog
A Cat
A Monkey

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A Soviet space female dog became the first animal in space on November 3, 1957. Her name was "Laika" and was sent in space by Soviet spacecraft Sputnik 2.

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What is the size rank of Moon in all satellite in the Solar System ?

Moon.jpg
1st
3rd
5th
7th

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The Moon is Earth's only known natural satellite and the fifth largest satellite in the Solar System. It is the largest natural satellite of a planet in the Solar System relative to the size of its primary, having a quarter the diameter of Earth and 1⁄81 its mass.

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Which is the oldest star yet discovered ?

Proxima Centauri
VY Canis Majoris
HE 1523-0901
Jesin Booch

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HE 1523-0901 is the designation given to a red giant star located in the Milky Way galaxy approximately seven and a half light-millennia from Earth.It is an estimated 13.2 billion years old.

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What is the estimated Diameter of Milky Way Galaxy ?

10,000 light years
100,000 light years
1,000,000 light years
10,000,000 light years

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Identify this constellation.

Sagittarius.jpg
Sagittarius
Crux
Carina
Musca

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Sagittarius is a constellation of the zodiac, the one containing the galactic center. Its name is Latin for the archer

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Identify this constellation.

taurus.jpg
Ara
Orion
Taurus
Gemini

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Taurus is one of the constellations of the zodiac. Its name is a Latin word meaning 'bull', and its astrological symbol is a stylized bull's head

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Identify this constellation.

Gemini.jpg
Ara
Orion
Taurus
Gemini

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Gemini is one of the constellations of the zodiac. Its name is Latin for "twins", and it is associated with the twins Castor and Pollux in Greek mythology.

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The galactic (Milky Way) plane is inclined by about how much degrees to the ecliptic (the plane of the Earth's orbit) ?

30
45
60
90

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The galactic plane is inclined by about 60 degrees to the ecliptic (the plane of the Earth's orbit). Relative to the celestial equator, it passes as far north as the constellation of Cassiopeia and as far south as the constellation of Crux, indicating the high inclination of Earth's equatorial plane and the plane of the ecliptic relative to the galactic plane

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