A Rare Visitor from Another Star System

A. It came in from outside the solar system, much like the Voyager satellites might enter another star system in the distant future

B. It was sending radio signals our way, indicating its technological nature

C. It was emitting an unusual spectrum, like radioactive material

D. In images, it was a glowing multicolored cube

A. We sent a crew of astronauts to check

B. We assumed that it was not aliens without observing

C. Observed 3I/Atlas with the Allen Telescope Array

D. Observed 3I/Atlas with JWST

A. Yes, it is an icy rock that’s on a collision course with us

B. Yes, it is an alien spacecraft that could turn to intercept Earth

C. No, we have space lasers that will protect us whether it is an icy rock or a spaceship

D. No, it is an icy rock that will never get close to the Earth

A. Because 3I/Atlas could be older than the solar system, making it the oldest rock that we’ve ever directly laid eyes on

B. Because 3I/Atlas gave us a dry run for how to check whether an interstellar object is technological or not

C. Because 3I/Atlas has way more carbon dioxide than water compared to a usual comet

D. All of the above