Science
How Radio Astronomy Reveals the Universe – Quanta Magazine
Radio waves, longer and less energetic than visible light, give astronomers access to some of the most obscure physics in the cosmos.
If you ask an astronomer to choose the single most exciting picture in all of astronomy, many of us will point to a familiar orange ring. At a glance it may not look like much a fuzzy glowing doughnut, bulging slightly at the bottom and, as of last month, streaked with curving lines but in reality this unassuming circle is humanitys first glimpse of a black hole, with the colors chosen not to mimic realism, but to indicate the intensity of radio emissions.
Captured in a picture so sharp that it…
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