3 ms·
Star halfway across the universe was visible to naked eye for 30 secs on Wednesday
- dhimes 19y agoThose of you interested in astronomical things may enjoy http://www.badastronomy.com/ http://www.badastronomy.com/
- trekker7 19y agoWow, this is amazing. Anybody on HN happen to see it?
- doubleplus 19y agoHalfway across the visible universe, not the entire universe, which is 90+ billion light years across. Sorry to nitpick. :)
- foonamefoo 19y agoIt is impossible to know what is outside of our lightcone.
- mynameishere 19y agohttp://en.wikipedia.org/wiki/Gamma_ray_burst#Mass_extinction_on_Earth http://en.wikipedia.org/wiki/Gamma_ray_burst#Mass_extinction...