Find out how, when a space voyage is planned, space debris has to be taken into consideration.

Fill in the blanks.

(a) There are altogether ……………. constellations. Of these, 37 belong to the northern hemisphere sky and ……………. to the southern hemisphere sky.

(b) Jupiter has ……………. moons.

(c) ……………. was India's first artificial satellite.

(d) It is because of ……………, that we can forecast the weather.

Match the following.

Write the names of Indian astronauts and collect their pictures and information about them.

Collect information about and pictures of the Chandrayaan, the spacecraft that India has sent to the moon.