Comet 'century' approaches the Earth
ISON, the giant comet named by the scientists as a century comet, will "approach" the Earth in November with brighter light than the full moon, creating a beautiful sky.
About 10,000 years ago, Comet ISON began its journey to our solar system from an area called the Oort cloud - a reservoir of billions of stones and ice, left after the process of regenerating the fine.
The ISON comet image was discovered by astronomers Vitali Nevski and Artyom Novichonok in September last year.
ISON scientists will have a journey of about 1.4 million km around the Sun and about 1.2 million km from this star.
In July or August, ISON will pass the 'frozen road' , 370 to 450 million kilometers from the Sun. In this area, solar radiation begins to melt ice on the comet, making it appear brighter.
Comet ISON image.(Photo: Space)
In October and November, comets will fly over Mars and Mercury. Rising solar radiation will heat up matter in ISON. The pressure from solar particles can break up comets into small parts and an untimely solar storm can tear the comet's tail right away. Therefore, when ISON started this dangerous journey, all eyes would be on it.
NASA has a series of ISON observation plans with space telescopes and ground instruments. Even in September, NASA will bring an airship to space, 37km from the Earth's surface, to observe and record ISON's image.
According to NASA, if ISON is not broken by the Sun as it moves around this star on November 28 (Thanksgiving Day), comets can light up the sky for weeks. In the northern hemisphere, in early December, comets can be seen in the morning near the eastern-southeastern horizon. From then until the beginning of January, comets can be seen all night.
Scientists say, even if ISON disintegrates, monitoring its path and the reaction to the Sun's forces can shed light on the early Solar system's structure.
Comets fly near the Sun like ISON sometimes plunge into the flaming atmospheric parts of the Sun that no spaceship can enter. Scientists can learn about the Sun by observing its comet and its tail interacting with the Sun's atmosphere.
In mid-December 2011, comet Lovejoy flew only 140,000km from the surface of the Sun. The strange movement of the comet's tail as it entered the halo of the Sun helped scientists draw out the complex magnetic field of that region.
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