Corey S Powell on Nostr: Two space questions I hear a lot: - Is Betelgeuse about to explode? - When we see ...
Two space questions I hear a lot:
- Is Betelgeuse about to explode?
- When we see things happening "now" in deep space, didn't they really happen a long time ago?
I decided to answer them both together (and threw in a bonus discussion about false precision).
https://quanta.quora.com/Betelgeuse-is-642-5-light-years-away-the-light-we-see-from-it-is-642-5-years-old-How-do-Scientists-know-it-is-going-to-6?ch=10&oid=1477743753967765&share=6c715101&srid=u5Hxq&target_type=answer #science #space #astronomy #education
- Is Betelgeuse about to explode?
- When we see things happening "now" in deep space, didn't they really happen a long time ago?
I decided to answer them both together (and threw in a bonus discussion about false precision).
https://quanta.quora.com/Betelgeuse-is-642-5-light-years-away-the-light-we-see-from-it-is-642-5-years-old-How-do-Scientists-know-it-is-going-to-6?ch=10&oid=1477743753967765&share=6c715101&srid=u5Hxq&target_type=answer #science #space #astronomy #education