factors that allow diversity of life Flashcards

1
Q

Formed from an older solar nebula generation

A

Star/Solar system birthdate

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2
Q

what factor stated: very long ago, planets would not contain enough heavy elements. We need to have elements part the first generation star level for living things

A

Star/solar system birthdate

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3
Q

Heavy elements

A

hydrogen , helium

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4
Q

4 fundamental forces

A

strong force, weak force, gravitational force, electromagnetic force

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5
Q

The sun needs to be in a stable burning phase (main sequence) for constant radiation and luminosity (heat & energy source)

A

Age of our sun

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6
Q

w/o the right mass/gravity, the atmosphere which surrounds us would move into space as well as us. This allowed the Iron catastrophe to occur which allowed Earth’s inner layer to form

A

right mass/gravity of the planet

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7
Q

the distance from the star where the average temperature of the planet allows liquid water to exist

A

habitable zone

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