Print Ad 1965 Earth's atmospheric shield admits light and heat but blocks for Sale

Print Ad 1965 Earth's atmospheric shield admits light and heat but blocks For Sale

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Print Ad 1965 Earth's atmospheric shield admits light and heat but blocks:
$14.99

National Geographic 1965 Earth's atmospheric shield admits light and heat but blocks the sun's deadliest rays. Contrary to the usual conception the sun's interior must be shown as dark despite its fantastic heat.

**Please note that the listing is for a print ad**