Q2 of 13 Page 13

Give reasons.

We see the planets and stars moving from the east to the west.

Reason:


We see the planets and stars like our own sun moving from east to west because our earth rotates from west to east so, we find the other planetary objects to move in the opposite direction. Planets and stars appear moving from east to west. This is because of the rotation of the earth from west to east.


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2

Give reasons.

Planets do not collide into one another.

 2

Give reasons.

Saturn is said to have unique characteristics.

 2

Give reasons.

Even as India--England cricket match is played at Lords we can watch it live at home.

 3

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.