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Today in the History of Astronomy

Nov. 2, 1885: Birth of Harlow Shapley

Today in the History of Astronomy

Nov. 1, 1917: The Hooker Telescope sees first light

November 2025: What’s in the sky this month? Mercury switches from evening to morning as giant planets dominate the night

Observing, The Moon

The truth behind the Super Moon

Today in the History of Astronomy

Oct. 31, 1992: The pope addresses the Galileo affair

Sky This Week, The Sky This Week

The Sky This Week from October 31 to November 7: Catch celestial ghosts

Comets, Observing

Comet Lemmon will be a Halloween treat

Comets, Solar System

Remembering Comet Hale-Bopp

Today in the History of Astronomy

Oct. 30, 1981: Venera 13 launches

Deep-Sky Objects, Observing

Michael’s Miscellany: A lot to see around IC 1396

John Glenn at age 77. Credit: NASA.

Today in the History of Astronomy

Oct. 29, 1998: John Glenn returns to space

Comets, Observing

Comet Lemmon is still a worthy target