unique characteristics for each planet

Question 1

mercury

Answer 1

Mercury
Inner
88 earth days =1 mercury year (orbital period)
59 day day (rotation)
No atmosphere
-173 C to 427 C
No moons or rings
Contains craters
Rarely visible since it is so close to the sun

Question 2

venus

Answer 2

Venus 
Inner 
224.7 earth day = 1 venus year (orbital period)
243 day days (rotation)
Atmosphere; carbon dioxide, nitrogen
-462 C
No moons no rings
Brightest object other than the sun & moon

Question 3

earth

Answer 3

Earth
Inner
365.25 year (orbital period)
24 hour day (rotation)
Atmosphere; nitrogen, oxygen
-88 C to 58 C
1 moon 
No rings
70% of their surface is water, ozone filters dangerous sun rays, constant temperatures

Question 4

mars

Answer 4

Mars
Inner 
687 earth days = 1 mars year (orbital period)
24 h 39 min day (rotation)
Carbon dioxide, nitrogen atmosphere
-90 C to -5 C
2 moons, no rings
Called red planet because of its rusty soil, once had volcanoes, glaciers and water, no signs of life

Question 5

jupiter

Answer 5

Jupiter
Outer
11.9 earth years = 1 jupiter orbital period
9 50m day (rotation)
Atmosphere; hydrogen, helium & methane
-148 C
63 moons
Has rings
Largest planet
Coloured red spot where the hurricanes are

Question 6

saturn

Answer 6

Saturn
Outer
29.5 earth years = 1 orbital period on saturn
10 h 39 min = rotation / day 
Hydrogen, helium & methane atmosphere
-178 C 
60 moons
Has rings (over 1000)
Second largest planet
Cloudy and windy

Question 7

uranus

Answer 7

Uranus
Outer
84.1 earth years = 1 Uranus year / orbital period
Hydrogen, helium & methane atmosphere
-216 C
27 moons
Has rings
Rotates on its side and is cloudy and windy

Question 8

neptune

Answer 8

Neptune 
Outer
164.8 earth years = 1 Neptune year
15 h 40 m = rotation / day 
Hydrogen, helium & methane atmosphere
-214 C
13 moons
Has rings
Uneven orbit, has a dark region called the dark spot which appears at the center of the bottom