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#askethan — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #askethan, aggregated by home.social.

  1. Can we see the expanding Universe changing? #AskEthan We've measured the expanding Universe by looking at many objects at different distances and with different redshifts. Here's how we'll measure it directly: with just one object over time. bigthink.com/starts-with-... #space #astro #redshift

    Ask Ethan: Can we see the expa...

  2. How much damage could a cosmic ray do to a human? #AskEthan Cosmic rays come in all varieties of energy and speed, with the most energetic ones outstripping even LHC protons by a factor of millions. What would happen if one hit you? bigthink.com/starts-with-... #space #astro #physics #particle

    Ask Ethan: How much damage cou...

  3. Can we ever observe a proton decaying? #AskEthan As far as we experimentally know, the proton is a truly stable particle. But theoretically, there are many motivations to search for proton decay. Will we ever observe one in action? bigthink.com/starts-with-... #physics #astro #particle #matter

    Ask Ethan: Can we ever observe...