Features That Created Sustainable Conditions For Life Flashcards
(5 cards)
1
Q
Mass
A
• Great enough to prevent gases from escaping into the atmosphere
• Atmospheric pressure high enough to prevent all liquid water from boiling
2
Q
Distance from the sun
A
• Light emitted and distance from sun produce temperatures suited for life
• Time taken for earth do rotate on its axis creates day/night cycle
—> minimised excessive cooling/
heating
3
Q
Axis of rotation
A
At an angle that produces seasonal variations
4
Q
Speed of rotation
A
24hour periods notation reduces temp extremes
5
Q
Magnetic field
A
Deflects biologically damaging solar wind