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Astronomers only knew of a single binary Cepheid system—they just found nine more

Astronomers only knew of a single binary Cepheid system—they just found nine more
phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.

Milky wayMagallanesy antáica chilenaHubble heritage teamHubble heritageLarge magellanicCepheid variableOptical gravitational lensing experimentPeriod luminosity relationshipCalibrated period luminosity relationshipLarge magellanic cloud

Astronomers Only Knew of a Single Binary Cepheid System Now They Just Found Nine More

Astronomers Only Knew of a Single Binary Cepheid System Now They Just Found Nine More
universetoday.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from universetoday.com Daily Mail and Mail on Sunday newspapers.

Milky wayMagallanesy antáica chilenaUniversity of warsawHubble heritage teamLarge magellanicCepheid variableOptical gravitational lensing experimentLarge magellanic cloudPeriod luminosity relationshipHubble heritage

Ask Ethan #16: What are Variable Stars?

"To be is to be the value of a variable." -Willard Van Orman Quine

United statesUnited kingdomDavid fabriciusWikimedia commonsWillard van orman quineEdwardc pickeringMike simonsenXiong chiamiovMichael richmondEdwin hubbleRoberta rohdeFahad sulehriaFahad sulheriaHenrietta leavittNorthern arizona universityHarvard college observatory