Uploaded January 2026 | Updated September 2026, 2 weeks ago

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3I/ATLAS is still zooming through our galaxy and capturing everyone’s imagination. Early reports are in about what it’s made of. But how do we know without physical samples?

Turns out… You can learn a lot from light. Here’s how and subscribe to learn more!

#comet #spectroscopy #space #interstellar #3iatlas #shorts