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Planetary ScienceStellar death may spawn solar system
Material shed by a dying star might give birth to planets.
By Ron Cowen -
AstronomyAstronomers discover smallest galaxy ever
Astronomers have found the smallest galaxy yet recorded, about one-sixteenth the diameter of the Milky Way.
By Ron Cowen -
PhysicsSolving a 400-year-old supernova riddle
Astronomers have determined that Kepler's supernova, the last stellar explosion witnessed in our galaxy, belongs to the class known as type 1a.
By Ron Cowen -
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Not only is the finding that nanotubes “remained in particular in the liver and spleen” of concern, but there is no indication made or concern expressed over what happens after excretion.