The SOAR Telescope, located on Cerro Pachón in Chile, has received a major upgrade with the installation of the SOAR Telescope Echelle Spectrograph (STELES). The long-awaited instrument achieved first ...
In 1633, Galileo Galilei was brought before the Inquisition for supporting the Copernican model of the solar system. That’s the one where the Earth orbits around the sun, not the ...
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