Hefei Expat - China

Living Here => New Arrivals => Topic started by: kafa88 on September 24, 2021, 08:22:56 am

Title: facts about Space's 'dirty snowball'
Post by: kafa88 on September 24, 2021, 08:22:56 am
(https://cdn.mos.cms.futurecdn.net/hAC6YmPUt9UaDsXLA6SWjJ.jpg)


Comets are icy bodies of icy gas, rock and dust left over from the slot (https://slotxo.im/) formation of the Solar System about 4.6 billion years ago. They orbit the sun in high ellipses that can take hundreds of thousands of years to complete.When the comet approaches the sun It will heat up quickly. The ice is turned directly into gas through a process known as sublimation. According to the Lunar and Planetary Institute, gas is made up of water vapor. carbon monoxide carbon dioxide and other trace substances and eventually swept into the tail of a characteristic comet.

According to NASA data as of September 2021, the number of comets currently known is 3,743, although billions are expected to orbit the Sun beyond Neptune in the Kuiper Belt and the distant Oort Cloud. beyond Pluto At times, comets will pass through the inner solar system. Some people do it regularly Some do it only once every few centuries, many have never seen a comet before. But people who never forget the sky show easily.

What are comets made of?

Most comets are composed of nuclei, coma, hydrogen shells, dust, and plasma tails. Scientists analyze these components to learn about the size and location of these icy objects, according to the ESA.