Saturday, 20 June 2015

21-JUNE-1916 :- Birth Of Herbert Friedman , American Astronomer.

Herbert Friedman 
(June 21, 1916 – September 9, 2000) was an American pioneer in the application of sounding rockets to solar physics, aeronomy, and astronomy. He was also a statesman and public advocate for science.
sounding rocket, sometimes called a research rocket, is an instrument-carrying rocket designed to take measurements and perform scientific experiments during its sub-orbital flight. 

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