...the team used the the Gemini Multi-Object Spectrograph (GMOS) on Gemini North to hone in on the properties of one of the quasar pairs. Gemini is an observatory consisting of two telescopes, Gemini North and Gemini South, located at two separate sites...
... been launched in July of 2018 to rendezvous with the object in October 2019. For later launch dates, say the ...viable option. C/2019 Q4 (Borisov) is the second such interstellar object to be identified whizzing through the Solar System; the first, '...