September 2024

Every month on Earth Matters, we offer a puzzling satellite image. The September 2024 puzzler is shown above. Your challenge is to use the comments section… Read More »September Puzzler

Update on August 23, 2024: This Landsat 8 image shows several golf courses north of Chicago. Congratulations to Jeff Pettett for being the first reader… Read More »August Puzzler

Update: This Landsat 8 image shows ship wakes and wind turbines in the Atlantic Ocean near Block Island, which flanks southern New England. Congratulations to Rafael… Read More »July Puzzler

Update on July 23, 2024: This false-color image shows a plume—likely an orographic cloud—streaming from near the summit of Antarctica’s Mount Siple. Colors in this… Read More »June Puzzler

Update on June 4, 2024: This image shows greenhouses in eastern China. Congratulations to James Varghese for being the first to correctly identify the feature… Read More »May Puzzler

Update on May 21, 2024: This image shows a phytoplankton bloom in the Gulf of Oman. It was acquired on March 17, 2024, less than… Read More »April Puzzler

Update on April 23, 2024: This image shows Sortebræ, a large surge-type glacier in eastern Greenland, on September 6, 1986. Congratulations to Steward Redwood for… Read More »March Puzzler

Update on March 11, 2024: This image shows Spirit Lake, located in south-central Washington, on April 26, 2023. Congratulations to Ivan Kordač for being the… Read More »February Puzzler