Informative Speech: The History of Pluto Essay

1108 Words 5 Pages
Informative Speech: The History of Pluto
Specific Purpose Statement: By the end of my speech my audience will be able to explain the history behind Pluto becoming a planet and in turn losing its planetary status.
INTRODUCTION:
Attention Getter: Growing up learning about the planets my first grade teacher told me, “My Very Educated Mother Just Served Us Nine Pies” was a way to remember the order of the planets. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto. Apparently now teachers teach it as, “My Very Educated Mother Just Served Us Nachos”. Come on what happened to pies, personally I prefer pies over nachos.
Thesis Statement: With the advances in technology, scientist have opened the door to the discovery of Pluto
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Astronomer Clyde Tombaugh is the man credited for the actual discovery of “Planet X”. Nola Taylor Redd a contributor to Space.com in an article title Clyde Tombaugh: Astronomer Who Discovered Pluto writes, “When Tombaugh was hired in 1929, he joined the search for the missing planet. The telescope at the observatory was equipped with a camera that would take two photographs of the sky on different days. A device known as a blink compactor rapidly flipped back and forth between the two photographs. Stars and galaxies essentially remained unmoving in the images, but anything closer could be visually identified by its motion across the sky”.
b. Jennifer Rosenberg in her article Pluto Discovered writes, “It took a year of detailed, painstaking work, but Tombaugh did find Planet X. The discovery occurred on February 18, 1930 while Tombaugh was carefully examining a set of photographic plates created by the telescope”. Tombaugh officially announced the discovery of the ninth planet on March 13, 1930.
Internal Summary/Preview: After discussing the discovery of “Planet X” through the beliefs of Percival Lowell and the actual finding done by Clyde Tombaugh, we will shift to discussing how “Planet X” got the name Pluto.
II. Upon discovering the new planet which was referred to as “Planet X” the staff at Lowell Observatory opened up the rights to naming the this new planetary object to the public.
A. Eleven year old Venetia Burney Phair from England had suggested the name…

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