How constant is the fine-structure constant?
There's a case to be made that further study of the fine-structre constant, ~1/137 [en.m.wikipedia.org], is needed. Current variability assesments of the fine-structure constant plotted on the celestial sphere seem to "cast doubt" wrt its constancy in our cosmos... [phys.org]?. There have been, vearly criticisms point to the fact that different techniques are needed to confirm or contradict the results, as Webb, et al., also concluded in their study".
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Posted by racocn8I saw some articles on meteorite composition and ended up with this picture.
Posted by racocn8Here are some photos of eggs deposited on the underside of leaves.
Posted by racocn8Here are some photos of eggs deposited on the underside of leaves.
Posted by racocn8Here are some photos of eggs deposited on the underside of leaves.
Posted by racocn8Here are some photos of eggs deposited on the underside of leaves.
Posted by racocn8Here are some photos of eggs deposited on the underside of leaves.
Posted by Slava3That makes me nervous
Posted by Slava3So we are part of a Cosmic ecosystem?
Posted by SergeTafCamNot too long ago I had the opportunity to take a couple of pictures of a peacock's feather.
Posted by SergeTafCamNot too long ago I had the opportunity to take a couple of pictures of a peacock's feather.
Posted by SergeTafCamWhat's your favorite color?
Posted by SergeTafCamWhat's your favorite color?
Posted by SergeTafCamWhat's your favorite color?
Posted by SergeTafCamWhat's your favorite color?
Posted by SergeTafCamWhat's your favorite color?
Posted by SergeTafCamExciting times.