>Betelgeuse
>One of the easiest stars to see in the sky
>Been studied for centuries
>Still no idea how far away it is
>Huge uncertainties in measurements
Why are astrono-nerds like this?
>One of the easiest stars to see in the sky
>Been studied for centuries
>Still no idea how far away it is
>Huge uncertainties in measurements
Why are astrono-nerds like this?