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Carl Sagan's Cosmic Calendar, in which the entire 13.75 billion-year history of the universe is scaled down to a single year. At this scale, the Earth formed in August, life arose in September, and the first land plants appeared in mid-December. Apes did not appear until the very last day of the year. The first humans show up in the last six minutes and civilization in the final 30 seconds.

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Lunar | Moon | Astrology | 2017 Astrology Calendar - Cosmic Calendar with Zodiac, Chakras as Mandala Art / Chart] 18"x24" Full Color Poster

2017 Cosmic Calendar // Spiral Spectrum [CHAKRA, MOON & ASTROLOGY Mandala Art/Chart] 18x24 Full Color Poster

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‘SPIRAL SPECTRUM COSMIC CALENDAR 2017’ BY JULIE WILDER

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planting by the cosmic calendar: a biodynamic q&a with turtle tree

Lunar | Moon | Astrology | 2017 Astrology Calendar - Cosmic Calendar with Zodiac, Chakras as Mandala Art / Chart] 18"x24" Full Color Poster

Lunar Moon Astrology 2017 Astrology by yestermorrowshop on Etsy

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Cosmic Calendar - Wikipedia, the free encyclopedia, cool way to teach the history of the universe

Lunar | Moon | Astrology | 2017 Astrology Calendar - Cosmic Calendar with Zodiac, Chakras as Mandala Art / Chart] 18"x24" Full Color Poster

2017 Cosmic Calendar // Spiral Spectrum [CHAKRA, MOON & ASTROLOGY Mandala Art/Chart] 18x24 Full Color Poster

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