Title : "Some 130 million years ago, in another galaxy, two neutron stars... produced gravitational waves... a brief flash of light a million trillion times as bright as the sun..."
link : "Some 130 million years ago, in another galaxy, two neutron stars... produced gravitational waves... a brief flash of light a million trillion times as bright as the sun..."
"Some 130 million years ago, in another galaxy, two neutron stars... produced gravitational waves... a brief flash of light a million trillion times as bright as the sun..."
"... and then a hot cloud of radioactive debris. The afterglow hung for several days, shifting from bright blue to dull red as the ejected material cooled in the emptiness of space. Astronomers detected the aftermath of the merger on Earth on August 17... Using infrared telescopes, astronomers studied the spectra—the chemical composition of cosmic objects—of the collision and found that the plume ejected by the merger contained a host of newly formed heavy chemical elements, including gold, silver, platinum, and others. Scientists estimate the amount of cosmic bling totals about 10,000 Earth-masses of heavy elements."From "The Plume of Gold Ejected by a Cosmic Collision" (The Atlantic).
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