Happy 450th Birthday Simon Marius!
January 10, 2023 is the 450th birthday of the German astronomer Simon Marius, much disliked by Galileo.
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“Simon Marius 1573 – 1624” Anniversary
The German astronomer Simon Marius died 400 years ago (sort of). He was one of the first to observe with a telescope.
Galileo’s Newly-Discovered Letter
This past September the journal Nature reported on how a long-lost letter of Galileo has been recently found by a science historian at the University of...
St. Robert Bellarmine’s Statue
This post comes from a “Science in the Bluegrass” column I wrote for The Record, the newspaper of the Archdiocese of Louisville, Kentucky. If you look...
St. Robert Bellarmine’s Statue
If you look around my diocese, the Archdiocese of Louisville, Kentucky for a statue of a prominent scientist, you won’t find much. But you will find St....
Galileo – A Quick Summary
The Galileo story is complicated, but often gets boiled down to a false narrative of a solitary hero up against a bunch of science deniers. The truth?
Was Tycho Brahe inspired by St. Augustine?
Tycho Brahe produced a strong argument against Copernicus that involved the sizes of the stars. I think he got the idea from Augustine of Hippo.
A True Demonstration: Bellarmine and the Stars as Evidence Against Earth’s Motion in the Early Seventeenth Century
Article (PDF) 17 pages Level: high school and above This 2011 article from Logos: A Journal of Catholic Thought and Culture presents the following argument:...
Across the Universe: Europa
This column first ran in The Tablet in February, 2009; we ran it here for the first time in 2016. This copy of Galileo’s text for his first book includes...
A Vast Library of Rare Astronomy Books, on your Phone
This is a great time to be a student of astronomy’s history. When was it ever easier to get your hands on rare historical astronomical material? Would you...