Is uranium a critical mineral? Not according to the U.S. Geological Survey (USGS), which dropped it from its critical minerals list in 2022 on the grounds it didn't qualify because it was a "fuel ...

Loki Patera is 202 kilometres (126 mi) in diameter, covers 20,000 sq km (7,700 sq mi), and was the largest volcanic feature found on Io until these new observations revealed the hot spot in the south ...