An beginner astronomer may have found the first crater ever noticed on Jupiter’s moon Io. Io is so volcanically energetic that eruptions are inclined to wipe away any impression craters, so we have by no means seen one till now.
Jesper Sandberg, an beginner astronomer in Sweden, noticed this obvious crater whereas combing by way of archival photographs from the Galileo spacecraft, which orbited Jupiter from 1995 to 2003. It is comparatively small, nearly 100 metres throughout, and situated on a broad, flat…