In visible light, 3C273 is the brightest quasar in our sky. Its name signifies that it was the 273rd object of the 1959 Third Cambridge Catalog of Radio Sources (3C). Exactly 50 years ago – on March 16 1963 – astronomer Maarten Schmidt of Caltech had a revelation about the nature of 3C273 that changed the way people think about the universe.
Deborah Byrd is Founder and President of EarthSky, which she created in 1991. EarthSky is a digital publisher that brings science and nature to millions of people around the world. Byrd has won a galaxy of awards from the broadcasting and science communities, including having an asteroid named 3505 Byrd in her honor. Besides blogging, Byrd is Editor-in-Chief of all EarthSky websites and social media outlets, and she oversees EarthSky’s science podcast series in English and Spanish. A science communicator and educator for 35 years, Byrd believes in science as a force for good in the world and as a vital tool for the 21st century. Astrophysics, the night sky and imagining space travel remain among her most enduring lifelong passions.
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