Franklin Institute's Chief Astronomer Derrick Pitts Discusses Blue Origin's Successful Flight
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He says it will likely be some time before commercial space flight becomes more accessible to the masses.
He says it will likely be some time before commercial space flight becomes more accessible to the masses.
Scott Kelly returns to Earth on Tuesday, but how does an astronaut readjust to terrestrial life? Derrick Pitts, chief astronomer..
An unmanned Atlas Five rocket took off from Cape Canaveral Wednesday, putting the most classified plane into orbit. The rocket was..