SpaceKnowledge Pulse
John Glenn: Discovery Launch
At left, the Space Shuttle Discovery waits in darkness on Kennedy Space Center's launch pad 39B.
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BriflioWorld in a PulseBriflioWorld in a PulseAt left, the Space Shuttle Discovery waits in darkness on Kennedy Space Center's launch pad 39B.
Read the full pulseContinue in Briflio to read, react, comment, and share.