Results for "history of astronomy"
Found 5 results
How a Wartime Blackout Doubled the Universe
In 1944, a wartime blackout gave Walter Baade the dark skies needed to discover two star types, ins…
The 8-Arcminute Flaw That Broke the Perfect Circle
How a tiny 8-arcminute error forced Johannes Kepler to abandon perfect circles and discover the ell…
How a 1933 Merry-Go-Round Heard the Galaxy
Discover how engineer Karl Jansky accidentally invented radio astronomy in 1933 while trying to fix…
How a Dark Shadow Burned Hotter Than Light
In 1800, William Herschel used a prism and a thermometer in the dark to discover infrared radiation…
Mars Walked Backward Until He Moved the Sun
How a 1512 observation of Mars and a simple track-running analogy led Copernicus to place the Sun a…