Chinese mission Chang’e-4 to an unexplored part of the moon, a potential breakthrough in astronomy, could help open new vistas of knowledge in various ways. Discuss. (200 Words)
Refer - The Indian Express
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IAS Parliament 5 years
KEY POINTS
· Chang’e4 landed on the Von Kramer crater within the South Pole-Aitken basin, known to be the biggest depression in the solar system.
· This is because scientists can see farther into space as Earth’s radiowaves can’t get in the way.
· Studying the composition of ancient craters such as the Von Kramer can help scientists gain an insight into the asteroids that rained down on the Earth during the planet’s youth stage.
· Darkside of the moon contain a treasure trove of information that could advance our understanding of the history of the solar system
· Understanding the history of contact with these heavenly bodies could yield important clues to the origins of life on the planet and the origin of earth.
· Moreover, Chang’e4’s success could help realise the long-held astronomers’ dream of an observatory on the moon.
· The side facing the Earth is not suitable for such a project because noises from GPS satellites, Wi-fi, TV stations and many other human interferences hamper the transmission of low-frequency messages. But the Earth’s satellite protects its far side from such noise. The Chinese mission’s success could lead to telescopes beaming observations from the Dark Side of the Moon.
· The primary material on the moon is helium-3 which for now is too expensive to haul back to earth, the non-radioactive isotope could be used as fuel for next generation space craft.
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