Jan 312024
 

Explorer1First US Satellite Explorer I was launched in 1958, four months after Sputnik 1 and Sputnik 2 were sent into space. It returned data, including confirmation of the Van Allen Radiation Belts, to the United States for four months until the batteries died. More than 90 more Explorer projects followed. Children could view a table of all the Explorer projects at: Explorer Projects.

Nov 032024
 

Sputnik 2, a Soviet spacecraft, was launched in 1957. The Russian spacecraft was the second craft to be launched into earth orbit. It carried the first animal, a dog named Laika, into space. Unfortunately, the dog died hours into the mission from excessive heat and stress.