Tag: Earth Observatory
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March 2026 Satellite Puzzler
Your challenge is to tell us the location of the satellite image and why it is interesting.
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Shades of a Lunar Eclipse
A series of nighttime satellite images revealed how moonlight reaching Earth varied throughout a total lunar eclipse.
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Lake Coatepeque
Set amid El Salvador’s modern, active volcanic landscape, tranquil blue waters fill a caldera formed by ancient eruptions.
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Ailing “Megaberg” Sparks Surge of Microscopic Life
As Iceberg A-23A disintegrated, it shed meltwater that helped fuel an extensive phytoplankton bloom in the South Atlantic Ocean.
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A Little Town With a Long Name
A NASA luminary from the Apollo era grew up in Wales near Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch.
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Searching for Selenite
Oklahoma’s Salt Plains National Wildlife Refuge attracts rare and diverse species—and enthusiasts looking for a distinct type of crystallized gypsum.
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Smoke Rises Over Big Cypress National Preserve
The National fire has burned tens of thousands of acres within the Florida preserve, fueled by vegetation dried by prolonged drought and killed by recent frost.
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Scoria Cones on Earth and Mars
The hill-shaped features are a sign of explosive volcanic activity—a rarity on the Red Planet.
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Chesapeake Bay Locked in Ice
Nearly 50 years ago, the first Landsat satellite captured the rare sight of Mid-Atlantic waterways frozen over.
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Dry-Season Floods Drench Northern Colombia
Villages and farmland were swamped after unusually heavy early-February rains pushed the Sinú River over its banks.