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  • BBC Sky at Night

    MOONWATCH

    Apr 21, 2022 2 minutes

    Montes Apenninus

    Type: Mountain range

    Size: 950km long, 100km wide

    Longitude/Latitude: 0°, 19.9° N

    Age: 3.2-3.9 billion years

    Best time to see: First quarter (8-9 May) or six days after full Moon (22-23 May)

    Minimum equipment: 10x binoculars

    is the most impressive of the lunar mountain ranges visible from Earth. It borders 1,250km, arcing from the eastern side of the Mare around to the south-southeast. It contains many lofty peaks, which cast striking shadows across Imbrium’s relatively flat lava during the late waxing crescent and early waxing gibbous phases. With a low Sun angle, the jagged peak shadows give a highly exaggerated impression of the mountains within the Apenninus range.

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