Solar phenomena

The Astronomical Winter Has Arrived

This morning, at 5:27 a.m., the astronomical onset of winter commenced, marking the start of the winter solstice as well. As per the Institute of Astronomy's calendar, this day signifies the sun's southernmost position for the year. Today's sunrise is at 7:53 a.m., while sunset is expected at 4:55 p.m., providing a daylight duration of 9 hours and 2 minutes between December 20 and 24.

Biggest solar flare in years temporarily disrupts radio signals on Earth

A NASA telescope has captured the biggest solar flare in years, which temporarily knocked out radio communication on Earth.

The sun spit out the huge flare, resulting in two hours of radio interference in parts of the U.S. and other sunlit parts of the world. Scientists said it was the biggest flare since 2017.

Scientists finally acknowledge that they got their solar cycle predictions wrong, and that we are fast approaching the sun’s explosive peak

Roughly every 11 years, our home star cycles from a period of tranquility, known as solar minimum, to a peak of solar activity known as solar maximum

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