If Europa has Geysers, They’re Very Faint

If Europa has Geysers, They’re Very Faint

In 2013, the Hubble Space Telescope spotted water vapour on Jupiter’s moon Europa. The vapour was evidence of plumes similar to the ones on Saturn’s moon Enceladus. That, and other compelling evidence, showed that the moon has an ocean. That led to speculation that...
Proba-2 sees the Moon eclipse the Sun

Proba-2 sees the Moon eclipse the Sun

ESA’s Proba-2 captured two partial solar eclipses on 8 April 2024. A solar eclipse occurs when the Moon passes between Earth and the Sun, totally or partially blocking the Sun from Earth’s point of view. On 8 April, lucky viewers across North America witnessed the...