Host: Fraser Cain (@fcain) Guests: Paul M. Sutter (pmsutter.com / @PaulMattSutter) Morgan Rehnberg (MorganRehnberg.com / @MorganRehnberg) Dave Dickinson (www.astroguyz.com / @astroguyz) Their stories this week: Comet 45P Flies Past Earth A new “kind” of black hole A Penumbral Lunar Eclipse The Moon Occults Regulus Mars didn’t have enough CO2 to sustain liquid water ISS is […]
Water has been showing up in all sorts of unexpected places in our Solar System, such as the Moon, Mercury and Saturn’s moon Ganymede. Add one more place to the list: Asteroid 16 Psyche. This metal-rich asteroid may have traces of water molecules on its surface that shouldn’t be there, researchers say.
A crowning achievement of the Cassini mission to Saturn is the discovery of water vapor jets spraying out from Enceladus‘ southern pole. First witnessed by the spacecraft in 2005, these icy geysers propelled the little 515-kilometer-wide moon into the scientific spotlight and literally rewrote the mission’s objectives. After 22 flybys of Enceladus during its nearly twelve years in orbit […]