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Astronomy & Observing News

Hot White Dwarfs Show Planet Debris

Both hot and cool white dwarf stars can display the remains of destroyed planets polluting their atmospheres. There now appear to be two routes for this material to make its way in.

Solar System

Unveiling Ganymede

Get an eyeful of the solar system’s largest moon — a world of ancient, crater-packed plains and broad swaths of younger grooved terrain that defies easy explanation.

Solar System

Curiosity Navigates the Crossroads

NASA’s Mars Science Laboratory — Curiosity — has successfully crossed a sand dune standing between the rover and its final science destination.

Exoplanets

Shedding Light on Circumbinary Systems

Astronomers are beginning to understand the unlikely formation and dangerous survival of exoplanets circling binary stars.

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