Comet sightings that appear suddenly / NASA
JAKARTA, kilat.com- Comet K2 will fly by Earth this week. Comet not rare but interesting. They are made of water, dust, and ice.
Comet K2 is the most distant active comet discovered. And this one has scientists scratching their heads. Comets ‘live’ in the Oort cloud, a storehouse of comets and other frozen spaca balls in the outermost part of our Solar System.
When an external gravitational force pushes against one of the comets, it comes under the influence of the Sun’s gravity and begins to travel millions of miles toward the Sun. As the comet gradually approaches the Sun, it begins to heat up and the ice begins to melt.
When this happens, water and other materials form the comet’s tail and halo. Usually, this process begins when the comet is in the vicinity of Jupiter. But Comet K2 gives signs of this activity while in the vicinity of Neptune.
Comets develop halos when they are in regions of the Solar System where sunlight is too weak to melt the comet’s ice. Comets are like time capsules. They contain within them the elements and materials that were formed during the formation of the Solar System. The study of comets is therefore of great importance to scientists.
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“It’s like being able to touch something from the beginning of the solar system,” David Jewitt, an astronomer at the University of California, Los Angeles, told Space.com. “This is probably the most primitive thing in the current inner solar system.” (nda)
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