Science & Technology › Space Technology & Astronomy – UPSC Prelims PYQs

Assertion (A): Artificial satellites are always launched from the earth in the eastward direction.

Reason (R): The earth rotates from west to east and so the satellite attains the escape velocity.

Who amongst the following was the Chairman of ISRO when INSAT-3B was launched?

Who is the scientist in whose honour the “Chandra” X-ray telescope has been named?

A ‘black hole’ is a body in space which does not allow any radiation to come out. This property is due to its

The damage to the Spektr Module of the Russian Space Station Mir was due to

Which of the following statements are true about the Indian-born woman astronaut Kalpana Chawla? I. She was born in Karnal. II. She flew on board the shuttle flight STS-87. III. She was trained at the Kennedy Space Centre. IV. She did a space-walk to retrieve the Spartan Satellite.

Select the correct answer using the codes given below:

The satellites

of which one of the following countries have helped in the preparation of a detailed and complete map of Antarctica?

Consider the following statements regarding asteroids: I. Asteroids are rocky debris of varying sizes orbiting the Sun. II. Most of the asteroids are small but some have diameter as large as 1000 km. III. The orbit of asteroids lies between the orbits of Jupiter and Saturn. Of these statements:

Match List I with List II

and select the correct answer by using the codes given below the lists:

List I (Special Characteristic) I. Farthest planet from the Sun II. Largest planet of the solar system III. Planet second from the Sun in the solar system IV. Planet nearest to the Sun

List II (Name of Planet) A) Mercury

B) Venus

C) Jupiter

D) Pluto

E) Saturn

One Astronomical Unit is the average distance between

The tail of a comet is directed away from the sun because

Which one of the following stars is nearest to the earth?

Which one of the following conditions is most relevant for the presence of life on Mars?

The planet Mercury is revolving in an elliptical orbit around the sun as shown in the given figure. The kinetic energy of Mercury is greatest at the point labelled

Which one of the following satellites is to be launched from India in 1996?

Consider the following statements: A person in a spaceship located half-way between the earth and the sun will notice that the I. Sky is jet black. II. Stars do not twinkle. III. Temperature outside the spaceship is much higher than that on the surface of the earth. Of these statements

‘Diamond Ring’ is a phenomenon observed

A meteor is

In the field of space technology, India has demonstrated during 1994 her capability to

Comet Shoemaker-Levy 9 hit the planet

Cryogenic engines find applications in