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Home Geography

New crater on the Moon

March 14, 2022
in Geography
Reading Time: 2 mins read
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New crater on the Moon
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In news- Recently, a leftover piece of a spacecraft flying through space reportedly hit the surface of the moon creating a new crater that may be around 65 feet wide. 

About recent impact –

  • The object which created the crater reportedly weighs around four tonnes and was racing towards the moon at a speed of 9,300 km an hour. 
  • The piece of space junk was earlier believed to be a SpaceX rocket, but was later said to be the third-stage booster of Chang’e 5-T1 – a lunar mission launched by the China National Space Administration in 2014. 
  • This is the first recorded unintentional case of space junk hitting the moon.
  • The location of the impact – on the far side of the moon – has made it difficult for the crater to be pictured and studied immediately.
  • NASA’s Lunar Reconnaissance Orbiter and ISRO’s Chandrayaan-2 orbiter are two active lunar missions that are capable of observing the crater and picturing it. 

About Lunar craters-

  • Lunar craters are impact craters on Earth’s Moon. 
  • Both the earth and the moon have been hit by multiple objects like asteroids throughout their existence, but craters on the moon are of a more permanent nature than those on earth. 
  • Processes like erosion, tectonics, and volcanism keep the surface of the earth crater-free and remove traces of collisions that have happened in the past. 
  • An absence of atmosphere means there is no wind system and no weather on the moon, and hence no cause for erosion of existing craters. 
  • Currently, the earth has less than 200 known craters while the moon has thousands.
  • The word crater was adopted from the Greek word for “vessel” ( a Greek vessel used to mix wine and water). 
  • Galileo built his first telescope in late 1609, and turned it to the Moon for the first time on November 30, 1609. 
  • He discovered that, contrary to general opinion at that time, the Moon was not a perfect sphere, but had both mountains and cup-like depressions.
  • These were named craters by Johann Hieronymus Schröter (1791), extending its previous use with volcanoes

 

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Source: The Hindu
Tags: NewspaperPrelims

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