New research shows that all of Jupiter's moons have auroras, making for striking and bright light shows around the Jovian system.
all four of Jupiter’s large moons are capable of experiencing auroras. Further, they create some of the brightest that astronomers have ever observed.
That’s because the sunlight reflected from the surface of the moons’ surfaces often washes out the light signatures, making it difficult to pick up the auroras on Jupiter’s four largest moons. However, new observations have provided vital information about the aurora, including showing that they are deep red and often 15 times brighter than the northern lights on Earth.
The observations were made possible by combining data from the Keck Observatory’s High Resolution Echelle Spectrometer , the Large Binocular Telescope Observatory, and the Apache Point Observatory. By combining data from all three, astronomers were able to detect the auroras on Jupiter’s moons with more precision, allowing for more accurate observations.
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