The time to catch Comet T4 Lemmon is now, before it vanishes for another 36,000 years.
Often, icy interlopers creep up on the inner solar system, only to once again vanish into the abyss. Such is the case with long-period comet C/2021 T4 Lemmon, headed towards perihelion early next week.
Continue reading “A Fine Southern Apparition for Comet T4 Lemmon”