Star HR9038 Has Just Passed My Light Cone

HR9038 is 35.2 light years away and was just enveloped by the outer surface of my light cone – my ever-growing sphere of potential causality – which began its expansion from Earth on April 21 1971.

This light cone idea, from Matt Webb, is a very cool one. Do you know a better way to learn about the nearest stars and track it from time to to me? 🙂

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