"These stars have exactly the low temperatures and luminosities where a comet could form with the type of composition found in comet Borisov," he explained. Based on its high speed (33km/s ...

This celestial spectacle also provides an opportunity of continuous observation for researchers, to explore more material composition and activity evolution of comets. According to astronomers ...

Comets and asteroids differ significantly in their composition, which is a key factor ... referred to as "dirty snowballs" ...

Analysis of this data should give scientists a better understanding of the structure and composition of comets. Ikeya-Seki is now more than 55 mil lion miles away from the sun and gradu ally ...

The brightness and structure of these trails provide scientists with valuable information about the composition and behavior ...

Jamie Carter is an award-winning reporter who covers the night sky. Astrophoto of periodic comet 12P/Pons-Brooks in the night sky. Green nucleus and tail of ion, dust ... [+] and vapor illuminated ...