Europa’s geysers play hard-to-see

Further observations of Jovian moon fail to detect venting spotted by Hubble telescope

Europa geyser illustration

HOPING FOR GEYSERS  Data from the Hubble Space Telescope in 2012 suggested that Jupiter’s moon Europa expelled water in plumes up to 200 kilometers high, as depicted in this artist illustration.

NASA/ESA/K. Retherford/SWRI

SAN FRANCISCO — If Europa is venting its watery interior into space, it’s doing so stealthily.