Einstein’s theory of relativity passes major test

The video discusses pulsars, which are dense neutron stars emitting radiation from their magnetic poles. Researchers observed a double pulsar system for 16 years to study changes in timing of flashes visible from Earth. They aimed to compare these observations with Einstein's theory of general relativity, which predicts that such systems emit gravitational waves that drain orbital energy. The study found that the energy loss measured matched the predictions of general relativity.

What are pulsars primarily known for?

• Being the largest stars in the universe

• Emitting beams of radiation and particles

• Having the longest lifespan among stars

• Being the hottest stars in the galaxy

How long did researchers observe the double pulsar system?

• 20 years

• 16 years

• 10 years

• 5 years

What theory were researchers comparing their observations to?

• Newtonian Physics

• General Relativity

• String Theory

• Quantum Mechanics

What do gravitational waves do to the double pulsar system?

• Increase its orbital energy

• Cause it to emit more light

• Drain its orbital energy

• Make it spin faster

What did researchers find about the energy measurement?

• It was inconsistent with general relativity

• It showed no change over time

• It closely matched predictions from general relativity

• It was higher than expected