2. The Sun is the star at the
center of the Solar
System.
Its diameter is about 109
times that of Earth.
Its mass is about
330,000 times that of
Earth.
3. Mercury is the smallest
and innermost planet in
the Solar System.
Radius: 1,516 mi
Length of day: 58d 15h
30m
Orbital period: 88 days
4. Venus is the second
planet from the Sun.
Radius: 3,760 mi
Length of day: 116d 18
0m
Distance from
Sun: 67.24 million mi
5. Earth, otherwise known
as the world, is the third
planet from the Sun .
Radius: 3,959 mi
Age: 4.543 billion years
Moon: Moon
6. Mars is the fourth planet
from the Sun and the
second-smallest planet
in the Solar System, after
Mercury.
Radius: 2,106 mi
Orbital period: 687 days
Moons: Pobos, Deimos
7. Jupiter is the fifth planet
from the Sun and the
largest in the Solar
System.
Radius: 43,441 mi
Orbital period: 12 years
Moons: Europa, Ganymede, I
o, Callisto, Adrastea, Amalthe
a, Thebe, More
8. Saturn is the sixth
planet from the Sun and
the second-largest in
the Solar System.
Radius: 36,184 mi
Length of day: 0d 10h
42m
Moons: Titan, Enceladu
s, Mimas, Iapetus, Dion
e, Rhea, Tethys, More
9. Uranus is the seventh
planet from the Sun.
Radius: 15,759 mi
Orbital period: 84 years
Length of day: 0d 17h
14m
Moons: Titania, Miranda,
Umbriel, Ariel, Trinculo,
Oberon, Puck, More
10. Neptune is the eighth
planet In the Solar
System.
Radius: 15,299 mi
Distance from
Sun: 2.795 billion mi
Length of day: 0d 16h
6m
11. Pluto is a dwarf planet in
the Kuiper belt, a ring of
bodies beyond Neptune.
.
Radius: 737.6 mi
Discovered: February
18, 1930
Gravity :0.62 m/s²