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Earth Science – Contents of the Solar System
Name: Gabby Sindac
http://www.nasm.si.edu/ceps/ETP/
Planet/Object
Diameter (km)
Distance from the
Sun
(AU or km)
Length of Day
(rotation)
Length of Year
(Orbital Period)
# of
moons
(if any)
rings
(Yes or No)
Density
2 Other Facts
Mercury
0.387 x Earth's
58.65 days
88 days
0
No
Slightly
less than
earth’s
Called a wandering star
0.38 x Earth's
Venus
0.95 x Earth's
0.723 x Earth's
243 days
(retrograde)
225 days
0
No
0.9 x
Earth's
Seen as an evening star
Named after Roman
goddess of love
Known as frig
Earth
Mars
12,756 km
(7,926 mi)
1 AU
(149,600,000
km/ 92,960,000
mi)
6,792 km (4,220
mi)
1.524 AU
(228,000,000
km/141,700,000
mi)
23.93 hours
365.26 days
1
No
5.52
g/cm³
Only planet to have
water at 3 stages of
matter
Named after god of war
24 hr 37 min
687 days
2
No
0.7 x
Earth
The planet once had
water flowing on it
and has ice caps at
its poles
Jupiter has a
liquid metal ocean
Jupiter
Saturn
142,980
km/88,846 mi
9.4 X Earth's
5.203 AU
(778,400,000
km/483,700,000
mi)
9.5 X Earth's
9.92 hours
10.66 hours
11.86 years
29.46 Earth years
Less than
60
Less than
25
Yes
Yes
1.33
g/cm³
0.13 X
Earth's
Jupiter's famous
Red Spot is in fact
a storm the size
of Earth that has
raged for
hundreds of
years.
The second largest
planet in the Solar
System
Saturn is famous
because of the
amazing rings that
orbit the planet.
Uranus
4.0 x Earth's
19.2 x Earth's
17.24 hours
84.01 Earth years
More
than 20
Yes
0.22 x
Earth's
After Saturn, a
space-craft would
have to travel
1,500,000,000
kilometres to
reach Uranus
Uranus orbits the
Sun on its side
Planet/Object
Diameter (km)
Distance from the
Sun
(AU or km)
Length of Day
(rotation)
Length of Year
(Orbital Period)
# of
moons
(if any)
rings
(Yes or No)
Density
Neptune
3.883 x Earth's
30.06 x Earth's
16.11 hours
165 years
8
Yes
0.31 x
Earth's
Pluto
.18 x earth
39.5 x earth
6.4 days
248.5 years
3
No
.36 x
earth
2 Other Facts
Neptune is the
outermost of the four
gas giants: Jupiter,
Saturn, Uranus,
Neptune.
Because of its distance
from the Sun,
Neptune's atmosphere
is a frigid -225° C (-373°
F).
Pluto is too faint to be
seen with the naked
eye. When viewed
through a telescope, it
looks like a star
Stellar occultations
have revealed a
tenuous atmosphere
on Pluto composed
primarily of nitrogen
and methane gas