What does the Roman numeral 'I' in the designation 3I/ATLAS indicate?

Answer

It is the third confirmed interstellar object

The designation 3I signifies that Comet ATLAS is only the third object identified as interstellar, meaning it originated outside the gravitational influence of our Sun.

What does the Roman numeral 'I' in the designation 3I/ATLAS indicate?

#Videos

Interstellar Comet 3I/ATLAS Passes Close to Earth. Here's Why it ...

astronomyAtlasobservationcometVisibility