Geography

Comets

Comets are small celestial bodies that orbit the Sun. they need a nucleus center  should or might not have a tail. They orbit the Sun at very long intervals in highly elliptical orbits. They travel by the world  a cyclical schedule.

Comets have a central nucleus called coma. This coma consists of rock, dust ice. because the comet gets closer to the Sun, the ice melts this creates tons of dust and debris. because the pressure of the sun increases, the solar radiation pushes the dust and debris into a gorgeous comet tail. The sun illuminates the tail and that we can view the comet from Earth.

Before the invention of telescopes, comets would seem out of nowhere. It appeared like they might illuminate themselves all of a sudden, not unlike the recent comet, Comet Holmes. Comet Holmes saw a flareup in only a couple of days that made it visible Earth with the eye . Before, it had only been visible as a faint image during a telescope.

Now scientists are ready to see and find out comets that might otherwise not be visible Earth. due to the cyclical nature of comets, some comets may only appear every several hundred years. There’s always an opportunity  an amateur with a telescope to get a never before seen comet, very similar to the invention of the Hale-Bopp Comet in 1996.

Meteor shower.Fantastic cosmos image in 5K high resolution. Elements of image furnished by NASA

Comets are believed to originate within the Oort cloud . The Oort cloud is found within the farthest reaches of our system and is almost 3 light years in size. it’s within the Oort cloud that comets originate and return to. due to this huge distance and therefore the huge size of the Oort cloud , Comets come at regular intervals of many years. this is often compounded by the highly elliptical orbits of Comets.  instance the foremost famous comet, Haley’s Comet comes every 76 years. Unfortunately, it is the only eye viewable comet that comes so often.

Comets are the source of folklore and wonder in our sky. A comet gives us an opportunity to actually see the sweetness in astronomy.

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