Mount Wilson Observatory (@mtwilsonobs) 's Twitter Profile
Mount Wilson Observatory

@mtwilsonobs

Where we discovered our place in the universe. Home to the 60 & 100-inch telescopes, as well as the CHARA Array.

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linkhttp://www.mtwilson.edu calendar_today21-03-2014 03:49:13

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Mount Wilson Observatory (@mtwilsonobs) 's Twitter Profile Photo
Mount Wilson Observatory
@mtwilsonobs

2 months ago

July 4 is Henrietta Swan Leavitt’s birthday. Though she worked at the Harvard College Observatory and never set foot on Mount Wilson, her discovery of the Cepheid period-luminosity relationship made our greatest astronomical breakthroughs possible.

July 4 is Henrietta Swan Leavitt’s birthday. Though she worked at the Harvard College Observatory and never set foot on Mount Wilson, her discovery of the Cepheid period-luminosity relationship made our greatest astronomical breakthroughs possible.