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What type of galaxy is Milky Way ?

Spiral
Round
Elliptical
Square

Milky.jpg

Our solar system is in Milky Way. It got its name Milky Way because there is an appearance of dim glowing band in the night sky. Its shape is spiral where most of the stars are in the central bar.

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Which is the smallest planet in the solar system ?

Mercury
Pluto
Earth
Jupitar

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It is the first and smallest planet in the solar system closest to the sun. It has an orbital period of just 88 Earth days. One more thing to note is that Mercury has no atmosphere, and for this reason its surface has greatest temperature variation as compared to other planets.

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Asteroids are believed to be originated from which orbit ?

Orbit of Earth
Orbit of Venus
Orbit of Mars
Orbit of Jupiter

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Asteroids are thought to have a different origin from comets, having formed inside the orbit of Jupiter rather than in the outer Solar System

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Which comet nuclei are among the least reflective objects found in the Solar System.

Asphalt
None
Halleys Comet
Comet Borrelly

HellyComet.jpg

Also known as Comet Halley, it is mostly visible from earth in every 70 to 80 years. It was last seen in 1986 and will now be seen around 2061.

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What is the speed of light in a perfect vacuum ?

299,792,458 metres per second
399,792,458 metres per second
499,792,458 metres per second
599,792,458 metres per second

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Which is the largest moon in our Solar System ?

Ganymede
Titan
Callisto
Lo

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It is a moon of Jupiter which has a diameter of 5,268 km. It is 8% larger than that of the planet Mercury. It completes an orbit in around seven days. Ganymede is bigger by 2% to its near size moon "Titan" which is second largest moon and largest of Saturn.

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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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Milky Way appears brightest at the

Center
Edges
Upper Left
Down Left

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The Galactic Center is the rotational center of the Milky Way galaxy. It is located at a distance of 8.33±0.35 kpc (~27,000±1,000 ly) from the Earth in the direction of the constellations Sagittarius, Ophiuchus, and Scorpius where the Milky Way appears brightest. It is believed that there is a supermassive black hole at the Galactic Center of the Milky Way

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Identify this constellation.

orion.jpg
Canis Major
Orion
Ara
Taurus

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Orion, often referred to as The Hunter, is a prominent constellation located on the celestial equator and visible throughout the world. It is one of the most conspicuous, and most recognizable constellations in the night sky

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