Eleven Years Looking For Nada

The Daily Plasma

Nada is Spanish for nothing. It’s also the number of gravitational waves found after an eleven year study, as reported by Australia’s Commonwealth Scientific and Industrial Research Organization (CSIRO) and the International Centre for Radio Astronomy Research (ICRAR) this week in the journal Science.

The study, led by Dr. Ryan Shannon of ICRAR, and conducted with CSIRO’s Parkes telescope, was designed to monitor radio waves from millisecond pulsars and record the arrival time to an accuracy of ten billionths of a second. By doing so, they expected to detect gravitational waves generated by colliding galaxies.

0105-4x5color.ai Image credit NASA. Pay no attention to the Black Hole hiding in there.

According to Big Bang cosmology, and the General Theory of Relativity, super massive black holes inhabit the core of spiral galaxies. Colliding galaxies should produce gravitational waves as the black holes merge. Gravitational waves rippling across the…

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