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NEARBY CME DETECTED: A CME passed close to Earth on July 1st, around 1200 UT. It did not strike our planet’s magnetic field directly. It made itself known by “snowplowing” some dense plasma in our direction. Here are the data. The near miss might spark geomagnetic unrest and mild auroras around the poles on July 2nd. Aurora alerts:SMS Text.

ARSIDE SOLAR ACTIVITY: The Earthside of the sun is quiet. The farside is not. Yesterday, an explosion from a hidden sunspot hurled a partial halo CME into space:

  • Cosmic Rays Solar Cycle 25 is beginning, and this is reflected in the number of cosmic rays entering Earth’s atmosphere. Neutron counts from the University of Oulu’s Sodankyla Geophysical Observatory show that cosmic rays reaching Earth are slowly declining–a result of the yin-yang relationship between the solar cycle and cosmic rays.

SUNSPOT SUNSETS: Solar Cycle 25 is changing the way sunsets look. It is adding some spots. “Active sunspot complex AR2993-94 was visible yesterday at sunset,” says Marek Nikodem, who sends this picture from Szubin, Poland: