Thursday, December 28, 2017

Clear skies and a quickie image of the Moon

Bullialdus is a lunar impact crater located in the western part of the Mare Nubium. To the north by north-west is the broken-rimmed and lava-flooded crater Lubiniezky, north-northeast of Bullialdus is Gould, nearly east-southeast of Bullialdus is Wolf, and south-west of Bullialdus lies the smaller crater König.
Bullialdus is 61 km in diameter and is named after Ismaël Bullialdus, a famous astronomer and mathematician during the seventeenth century. An early defender of the ideas of Copernicus, Kepler and Galileo, Ismael Bullialdus is known today as "the most noted astronomer of his generation."

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