Page 98 - Genius Kidz Prudence Learning Sc-8

It is called evening and morning star Rotational period of earth is 24
because it can be seen by naked eye hours.
before sunrise and after sunset.

Atmosphere of Venus lacks oxygen
and is made up of carbon dioxide
basically. Therefore, greenhouse
effect is much prominent on this
planet.

It rotates from east towards west.

Venus does not have any satellite.
Earth
Orbital period of Venus is 224.7 days. Earth has only one satellite called

Rotational period of Venus is 243 “Aroon”.
days. (d) Mars (Mangal) :

It is the red planet of the solar
system, it is called so because it
appears to be red in colour from
outer space.

It has atmosphere comprising of
carbon dioxide basically.

It has the largest mountain in the
entire solar system.
Venus
Mars is similar to earth in having
(c) Earth (Prithvi) : different seasons, north and south

Our planet is Earth. Earth is the only polar ice caps.
one planet that supports life. Earth Mars does have water.
has atmosphere well - enriched with Orbital period of Mars is 687 days.
different gases including carbon

dioxide and oxygen.
Earth is called blue planet because
71% of its surface is covered with
water.

Earth’s axis of rotation is 23.5° away
from Earth’s equator.

Orbital period of earth is 365.25
days.
Mars

Light year is the distance that light travels in one year.

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