KrangQQ
KrangQQ t1_j25jvqe wrote
Reply to If the Big Bang was the end of a previous universe, then could a strong enough telescope see into the previous universe? by [deleted]
As far as we know (today), before the recombination the universe was an opaque hot, dense plasma of photons, leptons and quarks. It was first after the recombination photons could "travel" without more or less instantly interacting with something.
That said, the opaque plasma would probably act as a "shield" and prevent us from look into a previous universe (if there was a universe before the one we experience).
KrangQQ t1_iuy0032 wrote
Reply to comment by cmnorthauthor in How many years by baconbitche
I didn't want to "ruin" the fun part.
Anyhow, thank you for completing the math for us.
KrangQQ t1_iuxwfif wrote
Reply to How many years by baconbitche
The average distance from the earth to the moon is about 238,855 miles (~384,400 km).
KrangQQ t1_ja04ppk wrote
Reply to Researchers believe rising sea temperatures are to blame for the plummeting number of invertebrates such as molluscs and sea urchins at Rottnest Island off Western Australia, with some species having declined by up to 90 per cent between 2007 and 2021. by Wagamaga
DOI: 10.3389/fmars.2023.1075228