Posted by Bruce McClure in Astronomy Essentials | Human World|1 month ago
The 4 cross-quarter days fall between equinoxes and solstices. Halloween is the spookiest one – derived from a sacred festival of ancient Celts and Druids – coming as days grow short and nights long in the Northern Hemisphere.
At mid-northern latitudes, the star Arcturus sets about 2 hours after sunset around Halloween. It sets at the same point on the horizon as the summer sun. It’s a Halloween ghost of the summer sun and an echo of long summer afternoons.
Gianluca Masi of the Virtual Telescope Project in Rome said he just managed to capture an image of a small asteroid – labeled 2019 UB8 – coming very close on October 29, at about half the moon’s distance. Details here.
Venus passes its descending node on Friday at 2 UTC. What is it? And why does astronomer Guy Ottewell say that nodes “shape the orbits of the moving bodies and set them up for whatever else happens” … ?