The mission engineers and scientists for the Hubble Space Telescope have been working to correct some technical issues with the gyros that point the venerable space telescope. Hubble went into safe mode a couple of weeks ago and now seems to be back to resuming normal operations. Join Tony Darnell and Carol Christian as they discuss what happened with Hubble, how the problems were discovered and a fix found. We'll also explore other topics related to Hubble, such as, how much longer will it be around? Will Hubble last long enough to overlap JWST? Like this content? Please consider becoming a patron: https://patreon.com/DeepAstronomy Follow DeepAstronomy on Twitter: @DeepAstronomy Join our free Discord server for always-on chat action! https://discord.gg/nqGpvtK ... https://www.youtube.com/watch?v=_qhaNjlAS-U

Io is a moon of Jupiter which is volcanically active and, in fact, is the most active object in the solar system. This strong volcanism is stimulated by the gravitational interaction between Io and Jupiter. Not only that, Io’s volcanoes emit plumes of SO2 gas extending up to 300 miles (483 km) above the moon’s surface and also produce extensive basaltic lava fields that can flow for hundreds of miles. Using the Gemini Telescope, researchers discovered that Io's atmosphere collapses as the giant planet casts its shadow over the moon’s surface during daily eclipses. These eclipses are about 2 hours out of each Io-day (about 1.7 Earth days). Clever observations allowed several eclipses and subsequent freezing to be detected. Join Tony Darnell and Carol Christian as they discuss with Constantine Tsang and John Spencer (Southwest Research Institute) along with Matthew Richter (University of California, Davis) the techniques used to discern this amazing phenomenon in our solar system. The best place to watch the hangout will be on YouTube, broadcast on the Deep Astronomy Channel. In affiliation with the American Astronomical Society and the American Astronautical Society. Download the DeepAstronomy App and stay current on all content: Android: https://play.google.com/store/apps/details?id=me.dwnld.vrf985&hl=en_GB Apple: https://itunes.apple.com/us/app/deep-astronomy/id1098749154?ls=1&mt=8 Follow DeepAstronomy on Twitter: @DeepAstronomy Like DeepAstronomy on Facebook: https://www.facebook.com/DeepAstronomy/ Like Space Fan News on Facebook: https://www.facebook.com/SpaceFanNews/ Follow DeepAstronomy on Google+ http://google.com/+DeepAstronomy http://google.com/+TonyDarnell We also have a great Google+ Community, come share your thoughts and join the discussion! https://plus.google.com/communities/109849939648748938781 ... https://www.youtube.com/watch?v=5w3w8WrxUKI