What is the…
The Universe
… is everything
The largest objects in the
universe are galaxies…
…there are different types, categorised by their shape
A Galaxy
is made up of millions of …
Stars
around which there may be planets forming a…
Solar System
is made up of …
Planets
Which may have natural satellites called …
Moons
Our Solar System
A closer look
T
H
E
S
U
N
Mercury
Mercury is a
small rocky
planet that is
closest to the
Sun. It has no
atmosphere and
is very hot
Venus
Venus is the
hottest planet. It
is rocky with an
atmosphere of
carbon dioxide
Earth
Earth is a warm rocky
planet with water and
an atmosphere of
nitrogen and oxygen.
It is the only planet
we know with living
organisms
Mars
Mars is a red,
rocky, cold
planet with an
atmosphere of
carbon dioxide
Asteroids
Rocks in space
Jupiter
Jupiter is a cold
giant planet
made mainly of
gases. Jupiter is
famous for its
Great Red Spot
Saturn
Saturn is a cold
giant planet
made mainly
from gases. It
has beautiful
rings and around
it many moons
Uranus
Uranus is a cold
pale green gas
giant that has 15
moons and a
number of rings
like Saturn
Neptune
Neptune is a
bluish gas giant
with a cold
atmosphere
Pluto
Pluto is rocky. It is
the smallest planet
and is furthest from
the sun
Comets
Rocks with a
‘tail’ of melting
ice
Scale model of
The Solar System
Diameter Scaled
Planet
(km)
(mm)
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Pluto
4,900
12,000
13,000
6,800
140,000
120,000
51,000
51,000
2,300
7
17
19
10
200
171
73
73
3
Distance
from sun
58,000,000
110,000,000
150,000,000
230,000,000
780,000,000
1,450,000,000
2,900,000,000
4,500,000,000
5,900,000,000
Scaled
(m)
83
157
214
329
1114
2071
4143
6429
8429
Futher
On
74
57
114
786
957
2071
2286
2000