6. SOLAR SYSTEM
A solar system consists of a star and
objects that revolve around it . Our Solar
System consists of the Sun and eight
known planets .The eight planets are
revolve around the sun . The force of
gravity keeps planets in orbit around the
sun . Our earth is the third member of the
solar system . Among these planets earth
is gifted with the living things.
7.
8. CLASSIFICATION OF PLANETS
planets are classified into two;
planets
Terrestrial Jovian
Mercury Jupiter
Venus Saturn
Earth Uranus
Mars Neptune
9. MERCURY
Closest planet to the sun
Approximately half the size of Earth
Rocky surface covered by craters
No water or air results in unchanged
appearance
Surface temperatures are hot enough to melt
lead
10. VENUS
Second planet from the Sun
Approximately the same size as the Earth
Atmosphere consists of poisonous gases
11. EARTH
Third planet from the Sun
Largest of the four inner planets
Only planet where life is known to exist
70% of the surface is covered by water
12. MARS
Fourth planet from the Sun
Approximately half the size of Earth
Known as the Red Planet
Has four seasons similar to Earth
Resembles Earth more than any other planet
13. JUPITER
Fifth planet form the Sun
Largest planet in our Solar System
1300 Earths could fit inside Jupiter
Doesn’t have a surface; made of gases
14. SATURN
Sixth planet from the Sun
Second largest planet
800 Earths could fit inside Saturn
Thousands of rings are made up of ice and
rock fragments
15. URANUS
Seventh planet from the Sun
Four times larger in diameter than the Earth
Blue-green in color
The tilt of the axis causes sunlight for 42 years
at a time
16. NEPTUNE
Eighth planet form the Sun
Four times larger in diameter than the Earth
Blue in color
