space hard MCQ

Kilonovae are electromagnetic counterparts to neutron star mergers producing heavy elements via _______.

  1. Silicon burning
  2. R-process nucleosynthesis
  3. Proton-proton chain
  4. Triple-alpha process

Answer: R-process nucleosynthesis

GW170817 kilonova confirmed r-process production of gold/platinum/lanthanides in neutron-rich ejecta, resolving origin of half elements heavier than iron.

Topic Astronomy - Transients
Exam Relevance UPSC Prelims, General Science
More space Questions Back to all questions