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The Apollo 11 mission's computers were less powerful than today's mobile phones By Brian Burke on July 15, "It's absolutely amazing that the computers used to guide the Apollo 11 mission to the moon were no more powerful than a pocket calculator or a mobile phone."

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Women in science and math

Before Kathryn Johnson became a Physicist & Mathematician responsible for putting men on the moon, she was a teacher and Stay At Home Mom. Later, she applied to NASA to calculate trajectories for space flights.

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What's My (Rising) Sign? Free Ascendant Calculator Tool

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kyrahgrey: “ deadly–addiction: “2017 moon chart! ” @grayladyofthewell @seatattheblackgates I love this moon chart! Spiraling in and out of Darkness, so fitting. ”

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One page of this compendium is an equatorial sundial, another is a noctural, another a calendar, another a circumferator, compass, alidade and geometric square. From the different pages it is possible to calculate anything from high and low tides and the phases of the moon to the height of buildings. This dial is reputed to have belonged to Sir Francis Drake though this is unconfirmed, and lacks any supporting evidence. Creator: Humfrey Cole Date: 1569

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The Photographer's Ephemeris (TPE) helps you plan outdoor photography shoots in natural light, particularly landscape and urban scenes. It’s a map-centric sun and moon calculator: see how the light will fall on the land, day or night, for any location on earth.

The Photographer's Ephemeris (TPE) helps plan outdoor photography shoots in natural light, particularly landscape and urban scenes. It’s a map-centric sun and moon calculator: see how the light will fall on the land, day or night, for any location on earth.

How Far Could You Jump on the Moon?

How Far Could You Jump on the Moon? Fun way to learn about gravity! Planet activity. Apologia Astronomy, science lesson

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