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Latest Blog Posts
12
AprInternational Day
of Human Space FlightOn April 12, 1961, Soviet cosmonaut Yuri Gagarin became the first person to travel into space. He made a 108-minute orbital flight in the fully automated Vostok 1 space capsule. Gagarin did not land in his space capsule. Vostok … Continue reading →
22
FebCatching the Wave
On February 22, 1857, German physicist Heinrich Rudolf Hertz was born. He was a student and protégé of the great Hermann von Helmholtz. Hertz began his career as a university lecturer and quickly established himself as an accomplished speaker. In … Continue reading →
Tag Archives: May 18
Mount St. Helens
On May 18, 1980, in Washington state, Mount St. Helens volcano exploded leaving 57 people dead or missing. This was a Plinian eruption. It validated Pliny the Younger’s eyewitness description, often regarded as exaggeration, of the Vesuvius explosion that … Continue reading
Posted in On This Day
Tagged Cascade Volcanic Arc, Juan de Fuca Plate, May 18, Mount St. Helens, National Volcanic Monument, On This Day, Pacific Ring of Fire, pyroclastic flows, stratovolcano, The Roberta Bondar Foundation
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