The only research I personally did today was stressing out about the talks at Waterloo and Toronto that I haven't even started to prepare! And that isn't research either. However, Apurva Oza (Bern) gave a nice talk about sodium and potassium in the Solar System and in extra-solar systems. He pointed out that the outgassing / volcanism of Io means that there is a gas ring around Jupiter that might be visible in transit spectroscopy, and might permit the detection of moons even when there aren't visible moon transits. Or might confuse transit spectroscopy. In some cases the ring is partial and follows the moon, so it would lead to a predictable time-domain spectroscopic signal, in principle. Worth a search!
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