The visible spectrum of C/2019 Q4 (Borisov), the first confirmed interstellar comet

Shortly before dawn on September 13th, Julia de León, Miquel Serra-Ricart, Javier Licandro, all members of IAC's solar system Group, and Carlos Raúl de la Fuente Marcos, from the Complutense University of Madrid, obtained high resolution images and visible spectra of comet C/2019 Q4 (Borisov) using the OSIRIS instrument at the 10.4m GTC, installed in the Roque de los Muchachos Observatory (Garafía, La Palma). Observations were not easy, as the object could only be seen at low elevation over the horizon and small angular separation from the sun. However, thanks to the excellent atmospheric conditions of the Canarian Observatories and GTC's expert telescope support astronomers, these challenging observations were successfully completed.

Astronomers have discovered a new comet — and it could be from outside the solar system

According to NASA, a newly discovered comet zooming towards the sun is likely from another star. So what do we know about this new find? ...

Sat 14 Sep 19 from ABC Science

Gemini observatory captures multicolor image of first-ever interstellar comet

The first-ever comet from beyond our Solar System has been successfully imaged by the Gemini Observatory in multiple colors. The image of the newly discovered object, denoted C/2019 Q4 (Borisov), ...

Fri 13 Sep 19 from Phys.org

Astronomers May Have Just Discovered an Interstellar Comet Visiting Our Solar System

Astronomers first found Comet C/2019 Q4 on August 30. The past week of observations, including this image taken by the Canada-France-Hawaii Telescope on Hawaii's Big Island, have increased astronomers ...

Thu 12 Sep 19 from Discover Magazine

Alien comet speeding towards Earth could be visitor from another solar system, say scientists

Mysterious object would be the second ever interstellar traveller known to have visited us

Thu 12 Sep 19 from The Independent

Water found on habitable alien exoplanet for first ever time, scientists say

'This represents the biggest step yet taken towards our ultimate goal of finding life on other planets, of proving that we are not alone'

Wed 11 Sep 19 from The Independent

Scientists searching for alien life receive more than 100 signals from deep space

Blasts were picked up by what engineers say is the world's most sensitive listening device

Wed 11 Sep 19 from The Independent

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