On December 21, 2020 there will be an unusual planetary constellation in the sky. It should be on the evening of December 21 at exactly 7:21 p.m. CET. In the evening hours there will be a so-called Jupiter-Saturn conjunction. This means that both planets are approaching each other in the sky, are only 0.1 degrees apart and thus seem to join into “one bright star”. What is special about it is that the two planets last came as close to each other in 1623 as they did in 2020. Continue reading The Christmas star 2020