... the portion of a shadow in which light from an extended source is partially but not completely cut off by an intervening body; the area of partial shadow surrounding the umbra . ...
... the portion of a shadow in which light from an extended source is partially but not completely cut off by an intervening body; the area of partial shadow surrounding the umbra . ...
... Observatory and Planetarium in Lignan, Saint-Barth?lemy Valley, to see the Moon?s total eclipse ( iau.us11.list-manage1.com/track/click?u=...a5e595c =d1fdf99b5a ) and discover what we can learn from this unique planetary show of light and shadow ...
... Observatory and Planetarium in Lignan, Saint-Barth?lemy Valley, to see the Moon?s total eclipse ( iau.us11.list-manage1.com/track/click?u=...a5e595c =d1fdf99b5a ) and discover what we can learn from this unique planetary show of light and shadow ...