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In 1868, French astronomer Pierre Janssen pointed a spectroscope at a solar eclipse in India and saw a yellow line that matched no known element on Earth, and the gas he identified in the Sun's chromosphere — named helium, after helios — would not be fo - Space DailySpace Daily · Sun, 09 Aug 2026 14:09:53 GMTBetelgeuse Isn't Alone? Astronomers Finally Capture Strongest Evidence Yet of Star's Elusive Companion - Nature World NewsNature World News · Sat, 01 Aug 2026 13:00:47 GMTAstronomers finally measure the full size of the largest known galaxy - Phys.orgPhys.org · Fri, 31 Jul 2026 07:00:00 GMT