By watching solar mass ejections you can see how fast they leave those in transv... | Hacker News

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		angiosperm on Jan 23, 2024 \| parent \| context \| favorite \| on: How far could the sun possibly be? By watching solar mass ejections you can see how fast they leave those in transverse directions, and assuming those directed at us (whose speed we can't track by watching) go the same speed, we can measure how long they take to generate an aurora.

caf on Jan 23, 2024 [–]

You can only measure the speed of those transverse ones in angular units though, so I don't think it helps.

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