Gravitational waves

MIT Technology Review: Tidal forces carry the mathematical signature of gravitational waves

Stars are hot balls of plasma, but astronomers have now spotted a super strange one that may have a solid surface. Its intense magnetic field is strong enough to overcome its blistering temperatures and “freeze” its outer layers into a solid crust.

The New Yorker wrote an article calledGravitational Waves Exist The Inside Story of How Scientists Finally Found ThemThe article describes how Professor Rainer Weiss idea to build a device sensitive enough to detect ripples in space-time became aprofessional obsession and a quest that spanned ahalfcentury This quest had a team of over 1000 scientists and engineers focused on the task

Evidence of gravitational waves may be in our reach by the end of the year, says scientist. Also; Pluto's small moons tumble in constant chaos, and Hubble detects the first intergalactic supernovae.

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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.

An infusion of cash is kicking off the next set of gravitational wave detectors, which will help physicists map the universe in richer detail.