Comets are small celestial bodies that orbit the sun. They have removed a cell nucleus and may or may not have a tail. They orbit the sun in very long periods in highly elliptical orbits. They go from the earth on a cyclical schedule.
Comets have a central nucleus called a coma. The coma is composed of rock, ice and dust. As the comet approaches the sun melts the ice and creates a lot of dust and dirt. As the pressure increases from the sun, the solar wind pushes the dust and dirt into a beautiful comet tail. The sun illuminates the tail and we can see the comet from the Earth.
Before the invention of the telescope, comets would appear out of nowhere. It seemed as if she would suddenly light up, not unlike the last comet comet Holmes. Comet Holmes saw a flare-up in just a few days ago that he made visible on earth with the naked eye. Previously it was only visible as a faint image in a telescope.
Now, scientists are able to see and discover comets, which would not otherwise be visible on Earth. Due to the cyclical nature of comets, some comets appear only every few hundred years. There is always a chance for an amateur with a telescope on a never-before-seen comet, like the discovery of Comet Hale-Bopp in 1996 to discover.
Comets are believed to originate in the Oort cloud. The Oort Cloud is in the remotest of our solar system and is nearly 3 light-years across. It is back in the Oort cloud, comets, and come. Due to this large distance, and the enormous size of the Oort Cloud Comets come at regular intervals of hundreds of years. This is compounded by the highly elliptical orbits of comets. For example, the most famous comet is Comet Haley’s every 76 years. Unfortunately, it is the only visible with the naked eye comet that comes so often.
Comets are the source of the folklore and the beauty in our sky. A comet gives us a chance to really the beauty of astronomy.
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