Science Question Answer (1 Marks)

Jupiter is the biggest planet of the Solar system. It is so large that about 1300 earths can be placed inside this giant planet.

The stars appears to move from east to the west direction in the sky.

Aryabhatta was the first artificial satellite launched by India.

The pole star is the star which remains fixed at the same place in the sky in the North.

IRS stands for Indian Remote Sensing satellite program.

4. Only C.

Explanation:

The moon does not have light of its own. We are able to see the moon because the sunlight falling on its surface gets reflected towards us.

Mercury and Venus can be seen as 'Morning Star' and 'Evening Star'.

Mercury is the smallest planet of the Solar system. It is nearest to the Sun.

Moon and the stars are the celestial objects which we can see easily in the night sky.

Alpha Centauri is the star which is closest to the Earth after the Sun. It is at a distance of about 40,000,000,000,000 km from the Earth.