Tag: astronomy

Detecting Very Compact Star Clusters

“The galaxy clusters we examined are so massive that they bend light rays passing through their centre, as predicted by Einstein in 1915. And this in turn produces a kind of magnifying glass effect: the images of background galaxies are magnified.” Adélaïde Claeyssens, Department of Astronomy, Stockholm University

The Sky Above You – January 2023

Uranus in Aries was multiply occulted by the Moon last year, two of the events visible from the UK, and on January 1st it will happen again around 10.20 p.m., depending on location, for viewers north of a line from Cork to Norwich, with the reappearance at 11.08 p.m., as seen from Edinburgh.