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 […]
Close up of the great red spot
As NASA’s Juno spacecraft locks into Jupiter’s orbit, PBS Spacetime investigates the origin of our solar system and the essential role Jupiter plays in it.
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…