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  • Thumbnail for Becquerel (lunar crater)
    Becquerel is a lunar impact crater that lies in the northern hemisphere on the far side of the Moon. This is an ancient and heavily worn formation that...
    6 KB (445 words) - 01:46, 26 January 2024
  • A gravitational mirage or cosmic mirage is an optical phenomenon affecting the appearance of a distant star or galaxy, seen only through a telescope. It...
    3 KB (394 words) - 05:22, 12 August 2023
  • James Breen (5 July 1826 – 25 August 1866) was an Irish astronomer. Breen was the second son of Hugh Breen, senior (1791-1848), who superintended the lunar...
    4 KB (399 words) - 14:28, 3 December 2023