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  • More from BBC Sky at Night

    BBC Sky at Night2 min read
    Binocular Tour
    10 x 50 In the days before Herman Snellen introduced his eponymous eye-test chart, mag. +2.2 Mizar (Zeta (ζ) Ursae Majoris) and mag. +4.0 Alcor (80 Ursae Majoris) were used as an eyesight test: if you couldn’t see two stars, you knew you needed spect
    BBC Sky at Night2 min read
    The Southern Hemisphere
    1 May at 00:00 AEDT (30 Apr, 14:00 UT) 15 May at 23:00 AEST (13:00 UT) 31 May at 22:00 AEST (12:00 UT) The chart accurately matches the sky on the dates and times shown for Sydney, Australia. The sky is different at other times as the stars crossing
    BBC Sky at Night2 min read
    Looking back: The Sky at Night 15 May 1974
    On the 15 May 1974 episode, Patrick Moore spoke with US astronomer Carl Sagan about the many investigative strands when looking for alien life. “One is laboratory work on the question of the origin of life, making the molecules which [would]… lead ev

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