Comet

= **Comet** =



= **Orbital Period - (Hailey Comet)** = = - An orbital period of hailey comet would be about 75.32 years = = = = *Different type of comet would have different orbital period =

= **History - (Halley Comet)** = = =

= **Mythology** = = = = **- There are alot of myth about comet** = = = = **- In Europe, many people thinks comet is sign of luck** = = **- Whenever, they see a comet pass by, they would always pray** = = **- It is because they believe comet would make their dreams come ture** = = = = **- In Egypt the "god" they would believe a comet is like a message** = = **- Or the Egyptian would think the a sign of a bad event might happen** = = = = **- In Asia, mostly people would think comet is very speical and they would always pray about they see it** = = **- It is because the Asian think comet is very unusual** = = = = **Size** = = = = **- The size of a halley comet would usually be around 2.2 x to the power 14 of 10 kg. / 4.85 x 10^14 pound** = = = = **Composition (Halley Comet)** = = = = **- The composition are water, carbon monoxide, methane, ammonia, hydrocarbons, iron, sodium** = = = = **Atmospheric conditions (Halley Comet)** = = = = **- There are no atomspher in comet** = = = = **Significant & noteworthy features** = = = = **- There are not alot of significant or note that is very worthy** = = **- However, comet is very unsual** = = **- For example comet would only appears two in everyone's life** = = **- Moreover, Halley comet is the only one comet we could see by our own eyes.** = = = = **What don’t we know?** = = = = **- There are unknown fact about comet** = = **- For example, many people believe there are more types of comet but it is really hard to capture** = = = = **Work Cited** = = = . "Facts about Halley's Comet." //Find Science & Technology Articles, Education Lesson Plans, Tech Tips, Computer Hardware & Software Reviews, News and More at Bright Hub//. N.p., n.d. Web. 30 Mar. 2012. <http://www.brighthub.com/science/space

Category. "Halley's Comet - Some History and facts About Halley's Comet." //Space & Astronomy at About.com//. N.p., n.d. Web. 30 Mar. 2012. <http://space.about.com/od/comets/a/halleyscomet

Category. "Halley's Comet - Some History and facts About Halley's Comet." //Space & Astronomy at About.com//. N.p., n.d. Web. 30 Mar. 2012. <http://space.about.com/od/comets/a/halleyscomet = =