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How many planets are in the universe?

We currently know of 5,502 planets beyond the solar system, but we ve only found the tiniest fraction of the planets astronomers think lie elsewhere in the universe.

Mark popinchalkYoni brandeUniversity of kansasYork city american museum of natural historyNew york cityAmerican museumNatural historyNobel prize winningMilky wayHabitable worlds observatory

Two tiny stars fit into an orbit smaller than our sun

This unusual system 'shouldn't exist,' says one astronomer, who notes the orbit is as long as his dacommute.

Kareem el badryMark popinchalkAmerican museum of natural historyOpen journalStar warsAmerican museumNatural historyBrown dwarfBinary systemWhite dwarfYpes of stars

Newfound binary system is smaller than the sun

One of the objects is a brown dwarf, which has a much more mass than a typical planet but isn't big enough to be a proper star.

Mark popinchalkKareem el badryAmerican museum of natural historyOpen journalStar warsAmerican museumNatural history

Scientists find young-Jupiter-like object missed by previous exoplanet searches

Citizen scientists have discovered a new object orbiting a Sun-like star that had been missed by previous searches. The object is very distant from

New yorkUnited statesCornell universitySan diegoAmerican museum of natural historyCalifornia institute of technologyJohnh debesJ davy kirkpatrickFederico maroccoJackie fahertyEileenc gonzalesWilliamj cooperJonathan gagnJohannam vosAndrew ayalaMark popinchalk

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