November 28, 2019

Interstellar comet 2I/Borisov seen from the Keck Observatory

A new photo of interstellar comet 2I/Borisov taken using a spectrometer at the Keck Observatory in Hawaii is now the best obtained so far and can offer new information on this object that is going through the solar system. Astronomers Pieter van Dokkum, Cheng-Han Hsieh, Shany Danieli and Gregory Laughlin of Yale University captured this image on November 24 and it includes the comet’s tail, shown in its length of nearly 160,000 kilometers in a composition that puts together 2I/Borisov and the Earth.