Jan 27, 2023
In today’s edition of our Current Affairs, we will discuss What is Green Comet? The topic’s relevance to the UPSC CSE syllabus is mentioned below.
For Prelims: General Science
Green comet, National Aeronautics and Space Administration, solar system, orbits, Kuiper Belt, Oort Cloud.
For Mains: GS Mains Paper III- Awareness in the field of Space
Recently NASA (National Aeronautics and Space Administration) reported that after nearly 50,000 years a green comet might be appearing near Earth around 2 February 2023.
What do you understand about Green Comets? Explain how comets are formed. (150 words, 10 marks)
Image Source: NASA
News Source: The Indian Express
NASA (National Aeronautics and Space Administration) reported that after nearly 50,000 years a green comet might be appearing near Earth around 2 February 2023.
The green glow is thought to arise from the presence of diatomic carbon (pairs of carbon atoms that are bound together) in the head of the comet. The molecule emits green light when excited by the ultraviolet rays in solar radiation.
Green Comet is one of the long period's comets that was recently discovered in March 2022 by astronomers in the US.
It is reported that the green comet could be at a distance of 2.5 light minutes from Earth, meaning a “mere” 27 million miles.
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