what are 6 contributions to pluto being demoted .I need date and names of the people
You should be able to find your answers here.
http://www.google.com/#q=pluto+being+demoted+as+a+planet
thanks ms sue
You're welcome, Charlie.
use google/wikipedia
To understand the contributions to Pluto being demoted, it is important to provide a historical perspective on this matter. In 2006, the International Astronomical Union (IAU) redefined the definition of a planet, which resulted in the reclassification of Pluto as a "dwarf planet." While there were numerous factors that led to this decision, it is not accurate to attribute specific contributions to only six individuals or dates. However, I can highlight some significant factors that contributed to the reclassification of Pluto:
1. Discovery of other Trans-Neptunian Objects (TNOs): In the late 20th century, astronomers began finding several objects in the outer solar system that were similar in size and composition to Pluto. The discovery of Eris, a dwarf planet larger than Pluto, in 2005, played a substantial role in questioning the status of Pluto as a planet.
2. The need for a precise definition of a planet: Before the 2006 IAU redefinition, the term "planet" did not have a clear, widely accepted definition. As scientists began discovering more celestial bodies beyond Neptune, it became necessary to establish a precise classification system.
3. The IAU's role in classification: The IAU is the internationally recognized authority in astronomy. The organization held a General Assembly in August 2006 to discuss the definition of a planet and associated terms. During this meeting, a resolution was passed that redefined the criteria for what constitutes a planet.
4. The reclassification of Pluto: Under the new definition set by the IAU, a planet must meet three criteria: it must orbit the Sun, it must be spherical in shape, and it must have cleared its orbit of other debris. Since Pluto did not fulfill the third criterion (as it shares its orbit with numerous other TNOs), it was reclassified as a dwarf planet.
5. Scientific consensus and ongoing debate: The IAU decision sparked both support and dissent among astronomers and the general public. Many scientists agreed with the reclassification, citing the need for a clear definition, while others argued that Pluto should retain its planetary status based on historical reasons or alternative criteria.
6. Educational impact and public awareness: Pluto being demoted from being a planet generated widespread media coverage and public interest. This event provided an opportunity to educate people about the solar system and the importance of scientific classification.
Though specific individuals played significant roles in this process, attributing the demotion of Pluto to six people or exact dates would not accurately represent the complexity of the decision-making process and the involvement of various scientific bodies and experts.