Page 68 - A Chain of Miracles

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A A Chain of Miracles
MAGNETIC FIELD
If stronger:
Electromagnetic storms would be too
severe.
If weaker:
Inadequate protection from hard stel-

lar radiation.

ALBEDO

(Ratio of Reflected light to total amount falling on surface)

If greater:
Runaway ice age would develop.
If less:
Runaway greenhouse effect would
develop.

OXYGEN TO NITROGEN RATIO IN THE

ATMOSPHERE
If larger:
Advanced life functions would proceed too
quickly.
If smaller:
Advanced life functions would proceed too
slowly.

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