almost mimicking the smile of a Cheshire cat against the twilight sky; a great occasion to make a positive identification of the so-called elusive planet using our nearest neighbor in space as a ...

They provide us with an unprecedented database, which can be used to study the variation of the sky brightness with the sky position, the moonlight contribution, and the twilight sky brightness. The ...

For a few days around this date, we can try spotting Venus in bright twilight both immediately before sunrise and right after sunset. It rapidly zooms into the morning sky, reaching an angular ...

Turrell adds architectural elements and additional colored light sources to enhance the perception of the morning and evening sky in his Twilight Epiphany Skyscape. Erected in 2012, this ...