Winter is over now, and summer has arrived.

Johannes Kepler

Why Is Kepler’s Somnium Considered One of the Earliest Works in the History of Science Fiction? somnium

somnium

Why Is Kepler’s Somnium Considered One of the Earliest Works in the History of Science Fiction?

readerc1 September 21, 2026

Johannes Kepler’s Somnium (The Dream) is an extraordinary early narrative that combines the idea of a journey...

Why Did Johannes Kepler Abandon Perfect Circles and Accept “Imperfect” Ellipses? kepler

kepler

Why Did Johannes Kepler Abandon Perfect Circles and Accept “Imperfect” Ellipses?

readerc1 September 21, 2026

When Johannes Kepler set out to explain the motions of the planets, he found himself confronting an...