Picture by Jan Curtin @ Vail, AZ ( https://spaceweathergallery.com/indiv_upload.php?upload_id=156718 ) Raikoke Volcanic Eruption Have you noticed purple sunrises or sunsets where you live? Submit your photographs to GLOBE or GLOBE Observer, especially as we get ready to start the Fall Cloud Challenge: What's Up in Your Sky (Oct 15 - Nov 15, 2019)! People around the world have been noticing purple skies at dawn and at dusk, calling it the Raikoke Sunsets (see photographs submitted ). The purple color is because of sulfurous gas...
Read More About Fall Cloud Challenge: Observations of Volcanic Plume Causing Purple Sunsets Around the World »
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