A 9-billion-year-old signal could help explain dark energy
A Canadian radio telescope called CHIME has detected a faint signal from billions of years ago using its own observations. This signal is hydrogen and can be used to track the expansion of the universe over time. The discovery offers new tools for scientists studying dark energy.
Why it's good news: It provides scientists with a powerful new way to investigate one of the biggest mysteries in the universe, helping them better understand its evolution.
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NASA has invited industry companies to submit plans for commercial space stations that can serve as a replacement for th…
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