... It was during an observation of these UV emissions that a surplus of oxygen and hydrogen spectral lines were detected near Europa’s south pole. The emission was characteristic of water vapour being dissociated by the impacts of high energy electrons...
... as an ocean world with potential geologic activity, Europa’s surface temperatures are of great interest because they ... interesting because they provide the first global map of Europa’s thermal emission,” said Samantha Trumbo, a planetary scientist...
...centimetre (0.4 inches) at middle- and high-latitudes, I.e towards Europa’s poles. Although amino acids are not strictly a sign of ...in high radiation environments. "The radiation that bombards Europa's surface leaves a fingerprint," said Kevin Hand, ...
..., had originally planned to find out whether the enigmatic moon has a thin, extended atmosphere, or exosphere by observing Europa's limb as the moon passed in front of Jupiter. "The atmosphere of an extrasolar planet blocks some of the starlight that...
... have already been selected for the craft, such as cameras and spectrometers to produce high-resolution images of Europa’s surface to determine its composition, along with a magnetometer to measure the strength and direction of the moon’s magnetic...
... the MAG data acquired on Galileo’s closest encounter with Europa is fully consistent with the perturbations expected if the spacecraft... in September, 2003 to prevent an unwanted impact with Europa, but the legacy of its treasure-trove of data ...