Space science has come a long way since July 4, 1776. Here's a look back at the saga

Space science has come a long way since July 4, 1776. Here's a look back at the saga
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Why This Matters

Scientific discoveries like this expand human knowledge and open new possibilities for addressing global challenges.
Celebrating America's 250th birthday, Space.com looks back at what our understanding of space was like in 1776 and what major developments occurred to change our thinking.
Read Full Article at www.space.com

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