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"Our loyalties are to the species and the planet. We speak for Earth. Our obligation to survive is owed not just to ourselves but also to that Cosmos, ancient and vast, from which we spring."

— Carl Sagan, Astronomer



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Space News Headlines

Comet fragments best explanation of mysterious dimming star

Aging star's weight loss secret revealed

Mars once had a moderately dense atmosphere

Mars to lose its largest moon, Phobos, but gain a ring

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