First Exomoon Discovery

If confirmed, the “exomoon” is likely to be about the size and mass of Neptune, and circles a planet the size of Jupiter but with 10 times the mass.The signal was detected by Nasa’s Kepler Space Telescope; astronomers now plan to carry out follow-up observations with Hubble in October. A paper about the candidate moon […]

via Signal may be from first ‘exomoon’ — Site Title

Auroras Larger Than Earth Spotted Over Jupiter — TwistedSifter

Photograph by NASA, ESA [30 June 2016 press release] Astronomers are using the NASA/ESA Hubble Space Telescope to study auroras — stunning light shows in a planet’s atmosphere — on the poles of the largest planet in the Solar System, Jupiter. This observation programme is supported by measurements made by NASA’s Juno spacecraft, currently…

via Auroras Larger Than Earth Spotted Over Jupiter — TwistedSifter