Venkatesh Rao@vgrWhew!Quote TweetSarafina El-Badry Nance@starstrickenSF·Feb 26, 2020SO. do we see evidence of that gray dust? YES! @emsque & @MassiveStarGuy found there IS evidence of large grain gray dust that could explain this dimming!!!!Show this thread5:07 AM · Feb 27, 20204 Likes