Scientists with NASA’s Juno mission say they have detected sprites or elves – electrical phenomena above thunderstorms on Earth – in the clouds of Jupiter for the first time. Unlike the red-colored earthly ones however, the Jovian ones are blue.
View larger. | Artist's concept of a sprite in Jupiter's atmosphere, based on findings from Juno. On Jupiter, they are likely blue instead of red like ones on Earth. Image via NASA/ JPL-Caltech/ SwRI.
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.
Halloween time is spider time. Three amazing spider skills you might not have known about.
Image via Jurgen Otto.
Fog forms when the air cools and water vapor condenses.
Radiation fog. Image Credit: Md. Al Amin via Flickr.