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      <title>Astronomy Timeline by Logan C</title>
      <link>https://padlet.com/lec0922/mbqcmpby5pm1lim</link>
      <description>Made For Mrs. Robins Class</description>
      <language>en-us</language>
      <pubDate>2022-09-06 13:25:16 UTC</pubDate>
      <lastBuildDate>2022-09-07 19:22:28 UTC</lastBuildDate>
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         <title>Hipparchus</title>
         <author>lec0922</author>
         <link>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2284653497</link>
         <description><![CDATA[<div>- Pre-Ptolemy<br>- 190-120 BC<br>- Mathematician<br>- Measured the distance in between the Earth and the moon using basic trigonometry<br>- Invited the Astrolabe<br><br></div>]]></description>
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         <pubDate>2022-09-06 13:35:40 UTC</pubDate>
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         <title>Aristotle</title>
         <author>lec0922</author>
         <link>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2284661515</link>
         <description><![CDATA[<div>- 384-322 BC<br>- Philosopher and polymath (Polymath: Wide range of knowledge)<br>- He used the curved shadow of Earth on the moon during the eclipse to assume that the Earth was round<br>- His belief was abandoned in the Middle Ages</div>]]></description>
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         <pubDate>2022-09-06 13:40:20 UTC</pubDate>
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         <title>Eratosthenes</title>
         <author>lec0922</author>
         <link>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2284667610</link>
         <description><![CDATA[<div>- 276-194 BC<br>- Mathematician<br>-First successful attempt to establish the size of the earth<br>- Calculated the circumference of Earth using the Post of Alexandria and the Well as Syene</div>]]></description>
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         <pubDate>2022-09-06 13:43:46 UTC</pubDate>
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         <title>Claudius Ptolemy</title>
         <author>lec0922</author>
         <link>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2284675987</link>
         <description><![CDATA[<div>- 100-170 AD<br>- Mathematician, astronomer, philosopher, geographer, and astrologer<br>- Believed in the Geocentric model<br>- Was proven incorrect by Galileo</div>]]></description>
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         <pubDate>2022-09-06 13:48:21 UTC</pubDate>
         <guid>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2284675987</guid>
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         <title>Aristarchus</title>
         <author>lec0922</author>
         <link>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2284688981</link>
         <description><![CDATA[<div>- 312-230 BC<br>- Mathematician and astronomer<br>- Attempted to calculate the distance between the Earth, moon, and Sun<br>- First Greek to believe in a sun-centered universe&nbsp;<br>- Though evidence supported it for 1500 years the Geocentric model dominated Western thought</div><div><br></div>]]></description>
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         <pubDate>2022-09-06 13:54:59 UTC</pubDate>
         <guid>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2284688981</guid>
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         <title>Nicolas Copernicus</title>
         <author>lec0922</author>
         <link>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2284692555</link>
         <description><![CDATA[<div>- Polish mathematician and astronomer<br>- Copernicus concluded that Earth is a planet<br>- He proposed a model of the solar system with the sun at the center</div>]]></description>
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         <pubDate>2022-09-06 13:56:48 UTC</pubDate>
         <guid>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2284692555</guid>
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         <title>Tycho Brahe</title>
         <author>lec0922</author>
         <link>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2284731171</link>
         <description><![CDATA[<div>- 1546-1601<br>- Danish nobleman, astronomer, and writer<br>- Lost his nose in a sword fight and wore a "prosthetic" made of copper<br>- Invented devices that measured the locations of celestial bodies<br>- More precise observations than anyone else previously<br>-This especially goes for the position of Mars<br><br></div>]]></description>
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         <pubDate>2022-09-06 14:15:17 UTC</pubDate>
         <guid>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2284731171</guid>
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         <title>Johannes Kepler</title>
         <author>lec0922</author>
         <link>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2284734293</link>
         <description><![CDATA[<div>- 1571-1630<br>- German astronomer<br>- Played a key part in the 18th century revolution<br>- Created what we know as "law of planetary motion"</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-09-06 14:16:51 UTC</pubDate>
         <guid>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2284734293</guid>
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         <title>Galileo Galilel</title>
         <author>lec0922</author>
         <link>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2284750804</link>
         <description><![CDATA[<div>- 1564-1642<br>- Italian polymath<br>- Know as the father of observational astronomy, modern physics, scientific method<br>- Most important contributions were he descriptions of the behavior of moving objects</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-09-06 14:25:39 UTC</pubDate>
         <guid>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2284750804</guid>
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         <title>Sir Isaac Newton</title>
         <author>lec0922</author>
         <link>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2286335866</link>
         <description><![CDATA[<div>- An apple didn't fall on his head.<br>- 1643-1727<br>- English mathematician, physicist, astronomer, theologian, and author.<br>- Recorded by William Stuckely and archived by the Royal Society:<br>-&nbsp;"Why much apples always descend perpendicularly to the ground?"</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-09-07 12:49:57 UTC</pubDate>
         <guid>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2286335866</guid>
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         <title>Leonardo Da Vinci</title>
         <author>lec0922</author>
         <link>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2287027658</link>
         <description><![CDATA[<div>- 1452-1519<br>- Italian polymath<br>- Made the determination that the phases of the moon came from the phases of the moon come from the light from the sun reflecting on the earth's surface.<br>- Published in the Codex Leicester in 1510<br>- One of the most famous polymaths in history</div>]]></description>
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         <pubDate>2022-09-07 19:12:52 UTC</pubDate>
         <guid>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2287027658</guid>
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         <title>Katherine Johnson</title>
         <author>lec0922</author>
         <link>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2287031569</link>
         <description><![CDATA[<div>- In 1969, Neil Armstrong was the first man to walk on the moon.<br>- He wouldn't have been able to if it wasn't for Katherine Johnson and her precise mathematical calculation of the orbital trajectory for the Apollo 11 mission.<br>- 1918-2020<br>- Born in West Virginia<br>- Graduated form West Virginia State College</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-09-07 19:15:56 UTC</pubDate>
         <guid>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2287031569</guid>
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         <title>Mary Jackson</title>
         <author>lec0922</author>
         <link>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2287033946</link>
         <description><![CDATA[<div>- 1921-2005<br>- Hampton, VA<br>- Hampton Institute on Mathematics and Physical Science.<br>- Engineer<br>- Staunch advocate for the rights of women and minority groups in the STEM fields.<br>- Extracted data from wind tunnel ad flight test.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-09-07 19:17:58 UTC</pubDate>
         <guid>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2287033946</guid>
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      <item>
         <title>Christine Darden</title>
         <author>lec0922</author>
         <link>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2287036106</link>
         <description><![CDATA[<div>- Born in 1942 in Monroe, NC<br>- The George Washington University.<br>- Aeronautical Engineer.<br>- Wrote the computer program for a sonic boom that led to sonic boom minimization studies for 25 years.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-09-07 19:19:46 UTC</pubDate>
         <guid>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2287036106</guid>
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      <item>
         <title>Dorothy Vaughan</title>
         <author>lec0922</author>
         <link>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2287038705</link>
         <description><![CDATA[<div>- Key figure in the desegregation of STEM fields.<br>- 1910-2008<br>- Kansas City, MO<br>- Math teacher in Farmville, VA during WWII.<br>- First African American supervisor hired by NASA, monitoring the "West Area Computing" unit.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-09-07 19:22:02 UTC</pubDate>
         <guid>https://padlet.com/lec0922/mbqcmpby5pm1lim/wish/2287038705</guid>
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