Page 100 - Genius Kidz Prudence Learning Sc-8

It rotates from east to west.

Uranus is believed to have an ocean
of water and ammonia.
Uranus was the planet discovered
with the help of a telescope.

Orbital period of Uranus is 84 years.

Rotational period of Uranus is 17 hr Asteriods belt
14 min. naked eyes directly.
Number of satellites possessed by Asteroid belt is seen between mars and
Uranus is 21. Jupiter.

(h) Neptune : 2. Comets : Comet is an icy small solar system

Last planet of the solar system. body. It comes close to the sun occasionally
It is farthest from the sun. and displays a visible “coma”. (i.e. a thin,
fuzzy and temporary atmosphere). Then
Neptune also has rings.
when a comet approaches the area near
Orbital period of Neptune is 164.8 the sun then solar heat vaporizes some of
yrs.
its ice that in turn results in the production
Rotational period of Neptune is16 hr of long tail made up of gases and dust

particles.
The tail of a comet points in the direction
away from the sun because pressure is

Neptune

3 min.

Number of satellites possessed by
Neptune is 11.

OTHER MEMBERS OF THE SOLAR SYSTEM
1. Asteroids : These are the small bodies of Halley's comet
the solar system in the orbit around the
exerted upon the comet by solar radiation.
sun. They are also called planetoids or
Lastly, Halley's comet was seen near the
minor planets. Asteroids can not be seen by
sun in 1986, next it will be seen in 2062

Earlier, Pluto was considered as a planet but later on in 2006. Indian Astronomical Union, USA had deleted Pluto
from the list.

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