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

In celebration of the U.S. 250th anniversary, Space.com reviews the evolution of space science from 1776 to the present day. The article highlights the role of American institutions in advancing our understanding of the universe.
Why it matters
Provides historical context for the development of modern astrophysics and the U.S. role in scientific discovery.
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.
Educational and historical overview with a focus on scientific progress.
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