The Royal Observatory Greenwich has revealed the winners of the prestigious Insight Investment Astronomy Photographer of the Year 2019 competition, and as always, the winning images are spectacular. This year, the competition received over 4,600 entries that were captured in 90 countries across the globe. The judges had the unenviable task of identifying a winner, runner up, and highly commended image for each category, a winner for the Robotic Scope category, and a winner for the new Sir Patrick Moore prize…