Today's Astronomy Picture of the Day (9-17-2020) - Solar Cycle 24 ends and Solar Cycle 25 begins. The topic of today's image is the start of...
Interesting video that shows the sun cycle from 2010 to 2020 with the solar maximum in 2014....
I am setting up my first HF rig in a HOA community and have decided to install a flagpole antenna. With that I have to install a antenna tuner at...
Take a front-seat view of the Sun in this 30-minute ultra-high definition movie in which NASA SDO gives us a stunning look at our nearest star....
Sit back and enjoy this half-hour 4k video of our star, the Sun, in ultra-high definition 4k resolution in which NASA SDO gives us a stunning look...
This cool video ( in ultra-high definition 3840x2160 - 4k on YouTube ) shows the Sun during the entire year, 2015. The video captures the Sun in...
This high-definition video shows the Sun in the 171-angstrom wavelength of extreme ultraviolet light. It covers a time period of January 2, 2015...
Space Weather Comments from the SIDC (RWC Belgium): There are currently five sunspot groups visible, as identified by Catania. The most...
