The Planets Flashcards
1
Q
Describe the physical features of Mercury.
A
Craters and cracks, similar to the Moon.
440K
Large iron core produces slight magnetic field.
2
Q
Describe the physical features of Venus.
A
Thick atmosphere.
96% Carbon Dioxide, Sulphuric acid.
750K
3
Q
Describe the physical features of Mars.
A
Active weather system but geologically extinct. Thick crust. Indications of flowing water in the past.
220K
4
Q
Describe the physical features of Jupiter.
A
90% Hydrogen
10% Helium.
125K
5
Q
Describe the physical features of Saturn.
A
96% Hydrogen
4% Helium
95K
Low density means it could float in water.
6
Q
Describe the physical features of Uranus.
A
83% Hydrogen
15% Helium
2% Methane
Small Ice-Rock core. Has an inclined axis and so appears to orbit on its side.
7
Q
Describe the physical features of Neptune
A
79% Hydrogen 18% Helium 3% Methane 55K Small Ice-Rock core. Internal heat source.
