Gravity waves

(Phys.org) —A strange stellar pair nearly 7,000 light-years from Earth has provided physicists with a unique cosmic laboratory for studying the nature of gravity. The extremely strong gravity of a massive neutron star in orbit with a companion white dwarf star puts competing theories of gravity to a test more stringent than any available before.

Orbiting neutron stars create gravity waves

When you emit gravitational waves, they have to pass through the Universe. But do they gravitate, too?

Gravity waves are fluid dynamic phenomena occurring in the atmosphere while Gravitational waves are ripples in space-time resulting from large-scale a

When black holes merge strong gravitational waves are emitted. The graph shows a state-of-the-art comparison between waveforms of a black hole binary calculated according to two different techniques (top panel); the lower panel shows the final few cycles, including the merger of the two black holes. Image credit: UMD/AEI/Milde Marketing/ESO/NASA.

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In the April 1981 issue of Popular Science, we explored the many initiatives and techniques used in the exciting hunt for sensing gravity waves, then out of reach.

Dare to dream.