90377 Sedna

The New Planet X For centuries, researchers have been looking for more planets in our solar system, with more public focus on the matter in the past decade after Pluto’s reclassification to “dwarf planet”. At last, astronomers have found a possible expansion to our local solar system, or at least this is what the Science News article “Shadow Planet”, written by astronomer Christopher Crockett, implies. In this article Crockett summarizes the history of the idea of a “Planet X” in our solar system

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