46 UPSC Civil Services Mains 2021 Questions asked from Civil Services Chronicle Hindi

Gravitational Lensing

Recently, researchers plan to investigate how new stars are born using NASA’s James Webb Space Telescope. For this, they will take the help of a natural phenomenon called Gravitational Lensing. Consider the following statements regarding the gravitational lensing:

  1. The phenomenon occurs when a huge amount of matter, such as a massive galaxy or cluster of galaxies, creates a gravitational field that distorts and magnifies the light from objects behind it, but in the same line of sight.
  2. The investigation is a part of the programme called Targeting Extremely Magnified Panchromatic Lensed Arcs and Their Extended Star Formation (TEMPLATES).

Choose the correct answer from the codes given below:

Only 1
Only 2
Both 1 and 2
None of the above