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   Today I learned (todayilearned@noc.social)'s status on Saturday, 18-Jan-2025 15:48:46 JST Today I learned

   TIL that in 2008, a gamma ray burst was observed from 7.5 billion light years away. It was visible with the naked eye for about 30 seconds, and if viewed from the same distance as the sun it would be 21 quadrillion times brighter.

   https://en.wikipedia.org/wiki/GRB_080319B
   #til #todayilearned
   https://www.reddit.com/r/todayilearned/comments/1i418pm/til_that_in_2008_a_gamma_ray_burst_was_observed/