When 3I/ATLAS is closest to the Earth on Dec. 19, all the features that we are looking for will be easier to detect with our telescopes.

Why interstellar comet 3I/ATLAS' close Earth approach is an early Christmas gift for astronomers

Source: space
Source Link: https://www.space.com/astronomy/comets/why-interstellar-comet-3i-atlas-close-earth-approach-is-an-early-christmas-gift-for-astronomers