That Was the Week That Was AST 105 1 December 2015 The Future Ring of Mars Benjamin A. Black, Tushar MiCal. The demise of Phobos and development of a Mar5an ring system. Nature Geoscience, 11/24/2015 Comet 67P/Churyumov-­‐Gerasimenko September October November hCp://apod.nasa.gov/apod/ap151128.html Kepler Orrery IV 1705 planets in 685 systems Geminid Meteor Shower Dec 13-­‐14 Upcoming Dates •  Friday Dec 4: Astronomy Open Night “Supermassive black holes: the most powerful and ancient objects in the Universe” Dr. Takamitsu Tanaka. 7:30 PM, ESS 001 •  Friday Dec 11: Final exam. –  Javits 101 –  11:15 AM – 1:45 PM