(ENG only) I've been fascinated by composite pictures since ages. This "digital collage" method , especially when applied to astronomy, brings an immediate and long-lasting marvel that I wanted to share. I put here some links to some of the most amazing examples, taken from the NASA "Astronomy Picture of the day" but you will find thousands of other pictures on the internet. Here they are! We know that Earth rotation makes the sky (with all the stars) move as well. Here is how the sky would look like, if stars left a trail behind them. Aurora Borealis enriches even more this terrific picture! The 22-degree halo is a fascinating optical effect that can be observed around the sun and the moon in specific conditions. How about putting together a Sun and Moon halo? The sequence of a moon eclipse, and the stunning red shadings covering our satellite... last but not least...maybe my favourite... If we took the position of the sun throughout the year, roughly at the same time, what would be the "trail" that the Sun would leave in the sky? Here below one of the best examples, featuring even an amazing eclipse. The resulting "diagram" is the so called "analemma", where the highest point is the summer solstice, the lowest point is the winter solstice and the crossing point is roughly where the two equinoxes "apparently meet". A special "thank you!" to Tunç Tezel for giving me the chance to publish the picture directly here!
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January 2023
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