2023 Science & Technology - Space

Consider the following pairs : Objects in space Description 1. Cepheids : Giant clouds of dust and gas in space 2. Nebulae : Stars which brighten and dim periodically 3. Pulsars : Neutron stars that are formed when massive stars run out of fuel and collapse How many of the above pairs are correctly matched?

  • Only one
  • Only two
  • All three
  • None

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    2023 UPSC Science & Technology PYQ | UPSC Insights | UPSC Insights