A star racing at 15,000 miles per second tests Einstein theory of relativity

· Adafruit Industries Blog · Aug. 20, 2026, 12:52 p.m.
Science astronomy black hole Sagittarius A Cosmology astronomy Astrophysics Sagittarius A
Summary
This blog post discusses the implications of a star racing at 15,000 miles per second and how it tests Einstein's theory of relativity, analyzing the cosmic dynamics around the Milky Way's supermassive black hole, Sagittarius A*.
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