Before I start getting done with the re-submission of a paper on the atmospheric transparency above Cerro Paranal, let me share with you the following, which you might find interesting.
You certainly know that one of the key constituents in current cosmology is dark matter, first postulated in 1934 by one of the most prominent astronomers of last century, Fritz Zwicky (this reminds me that my master thesis advisor, prof. Roberto Barbon, was a post-doc of Zwicky, at Caltec). As the name says, this material is, well, dark. So that it cant' be seen directly. What you can see is its... read more ❯