📅 NSB 2019🎓 HS🔄 Round 3#️⃣ Q15❓ TOSS-UP✍️ Short Answer
Observations made with the Laser Interferometer Gravitational-Wave Observatory, or LIGO, mark the dawn of gravitational wave astronomy. What is the ratio of the speed of gravitational waves to the speed of light?
✔️Answer:ONE
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