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  • Stargazing News - May 13th, 2024

    From CJ@21:2/156 to All on Sun May 12 07:14:50 2024
    Monday May 13, 2024

    Lunar Craters Theophilus, Cyrillus, and Catharina (evening)

    On Monday evening, May 13, the terminator boundary between the moon's lit
    and dark hemispheres will fall just to the left of a trio of large craters named Theophilus, Cyrillus, and Catharina that occupy the curved western
    edge of gray Mare Nectaris. You can tell what order the craters were formed
    in by observing how sharp and fresh Theophilus' rim appears, and by the way
    it has partially overprinted neighboring Cyrillus to its lower left (or
    lunar southwest). Under magnification, Theophilus' terraced rim and craggy central mountain peak are evident. Cyrillus hosts a trio of degraded central peaks inside a hexagonal rim, while much older Catharina's peak has been submerged, her edges blurred and her floor overprinted by smaller, more
    recent craters.

    (Data courtesy of Starry Night)
    --- SBBSecho 3.20-Linux
    * Origin: CJ's Place, Orange City FL > cjsplace.thruhere.net (21:2/156)