There's been a lot of hype and rumours about alien comet 3I/ATLAS lately, so where is it now, what did the spacecraft around Mars see when it passed by, when will it reappear in our skies, and is it really anything we need to worry about? Here's the details.

Since its discovery back in early July, our latest visitor from interstellar space — 3I/2025 N1 (ATLAS), or 3I/ATLAS for short — has been speeding through the inner solar system at over 200,000 kilometres per hour, taking only three months to travel from just inside the orbit of Jupiter to sweeping past Mars at the beginning of October. For comparison, the fastest spacecraft ever launched from Earth, New Horizons, took more than 10 months — from April 7, 2006 to February 28, 2007 — to travel a similar distance.

[Comet 3I-ATLAS - Jupi

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