Hmm. Springtime in Malmö. Here's Springtime in Guffey. Yesterday at 9am, today at 9am.
_
They are most certainly the condensation trails produced by passing jet airplanes. Contrails.P. Mitchell wrote: ↑Tue Apr 23, 2024 6:08 pm These are not 'contrails'.
https://www.jpl.nasa.gov/news/press_kit ... pacecraft/johnnydeep wrote: ↑Sun Apr 21, 2024 4:25 pm Two questions about some info from the links:
1. Why does the Jove probe spin - stability I guess? But doesn't that negatively impact the ability to take pictures? And how fast is it spinning?
Until you recognize that Holst was addressing astrology, not astronomy!
Ah. Quite.florid_snow wrote: ↑Wed Apr 17, 2024 3:10 pm You missed the "Of these" reference at the start of the sentence. I think the writer was just trying to point out that the comets and Mercury were not visible to the unaided eye. But yes, Jupiter was bright! It must be just out of frame in this image.