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Birthday · April 1, 2022

Leaning Tower, Active Sun

April 1, 2022

Every year, the Earth returns to the same point in its orbit where it was when you were born.

Leaning Tower, Active Sun

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APOD published April 1, 2022. Credit: Antonio Tartarini. A publication-date match, not a photo taken on your date. Independent of NASA.

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Leaning Tower, Active Sun

Original APOD · April 1, 2022

The natural filter of a hazy atmosphere offered this recognizable architecture and sunset telephoto view on March 27. Dark against the solar disk, large sunspots in solar active regions 2975 and 2976 are wedged between the Duomo of Pisa and its famous Leaning Tower. Only one day later, Sun-staring spacecraft watched active region 2975 unleash a frenzy of solar flares along with two coronal mass ejections. The largest impacted the magnetosphere on March 31 triggering a geomagnetic storm and aurorae in high-latitude night skies. On March 30, active region 2975 erupted again with a powerful X-class solar flare that caused a temporary radio blackout on planet Earth.

Image credit: Antonio Tartarini

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