Astronomy.com Aug. 18, 1868: Helium is discovered Astrobitica August 18, 2026 About the Author Astrobitica Administrator Visit Website View All Posts This post was originally published on this site Post navigation Previous: Ruby-forming mineral found by Mars rover hints at violent impactsNext: It’s harder to poop in space. Scientists may finally know why Related Stories Astronomy.com Oct. 21, 1897: Yerkes Observatory is dedicated Astrobitica October 21, 2026 0 Astronomy.com The Sky Today on Wednesday, October 21: Catch early-morning Orionids Astrobitica October 21, 2026 0 Astronomy.com Understanding celestial coordinates Astrobitica October 20, 2026 0
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