Ufo Buster Radio

SputnikOn October 4, 1957, the Soviet Union sent the beach ball-sized satellite, Sputnik 1 into space. The launch grabbed the world’s attention because it was at the height of the Cold War.Sputnik, the first thing that humans ever successfully sent into space.A metal ball about two feet across with some antennae and a radio transmitter. Altogether, it weighed 184 pounds.It completed one of its 98-minute orbits. Sputnik 1 would “beep-beep” for 22 days, all told.Sputnik 2, the world’s second artificial satellite, launched on November 3. It was far beefier, weighing over 1,000 pounds.February 1958 that the US would follow with Explorer 1, a squib of a satellite even smaller than Sputnik 1.Photographic PlatesA photographic plate is a glass or metal sheet coated with a light-sensitive emulsion (like silver salts) used to capture images before digital sensors, serving as a stable negative for high-resolution photography, especially in early astronomy and scientific imagingThe famous photographic plates of Pluto are