The first American Astronaut conducted a 'Space Walk':

 a) Edward White
 b) Sergei Kirkalev
 c) Aleksei Leonov
 d) Valentina

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Edward White. Astronaut Edward H. White II achieved the first American walk in space during the Gemini IV mission on June 3, 1965

The constellation 'Sapta Rishi' is known to Westerners as the:

 a) Seven Monks
 b) Alpha Centuri
 c) Big Dipper
 d) Small Bear

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Big Dipper

Asteroids are found between:

 a) Mars and Jupiter
 b) Earth and Mars
 c) Jupiter and Saturn
 d) Mercury and Venus

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Mars and Jupiter.

Which of the following planets does not have a natural satellite?

 a) Mars
 b) Jupiter
 c) Mercury
 d) Earth

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Mercury.

The period of revolution around the sun is maximum of which among the following planets?

 a) Mercury
 b) Venus
 c) Earth
 d) Mars

Mars. Mercury : 88 days Venus :224.7 days Earth : 365.2 days Mars : 687 days

Which of the following is known as rolling planet or lying planet?

 a) Jupiter
 b) Earth
 c) Uranus
 d) Mars

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Uranus.

Fifth largest planet in the solar system:

 a) Mercury
 b) Earth
 c) Uranus
 d) Venus

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Earth.

Which is the largest moon in the solar system?

 a) Titan
 b) Ganymede
 c) Triton
 d) Galatea

Ganymede. Ganymede is the largest moon of Jupiter and in the Solar System.

The planet whose poles are faced towards the Sun:

 a) Neptune
 b) Saturn
 c) Jupiter
 d) Uranus

Uranus.

The first planet to be discovered with a telescope was

 a) Uranus
 b) Pluto
 c) Mars
 d) Neptune

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Uranus. Uranus was discovered by William Hershel in 1781.