#COVID-19 *update*: Significant decline in global air traffic continues – the number of flights at the end of March is more than 60% lower than normal

As we discussed a week ago, there is an obvious substantial decline in global air traffic, followed by the restrictions and national lockdowns during the … Read more

Approaching comet ISON – Comet of the Century? Well …

Comet C/2012 S1 (ISON) is generating plenty of media attention and hype. Touted as the Comet of the Century, some spectacular and even outrageous claims … Read more