science hard true/false

True or False: Multi-messenger astronomy combines gravitational waves with electromagnetic observations to study cosmic events.

  1. True
  2. False

Answer: True

GW170817: neutron star merger detected via LIGO/Virgo (GWs) and telescopes (gamma-rays, optical, radio). Enabled study of heavy element synthesis (kilonova), Hubble constant measurement. India's AstroSat contributed to EM follow-up. [[IUCAA, ISRO Reports]]

Topic Physics - Gravitational Wave Astronomy
Exam Relevance UPSC CSE, SSC Scientific Assistant, CSIR NET

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