Description: EarthmansAlmanac.com Earthman's Almanac is the only almanac to feature the interplanetary calendars. It is an annual account of events in space flight and interplanetary exploration as well as astronomy and related sciences. It also records the anniversari
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Earthman's Almanac is the only almanac to feature the interplanetary calendars. It is an annual account of events in space flight and interplanetary exploration as well as astronomy and related sciences. It also records the anniversaries of historical events in these areas.
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