Geminid Meteors
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A reliable meteor shower is building toward its peak, on Wednesday night. There won’t be any moonlight to spoil the […]
Alpha Camelopardalis
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The relationship between stars and the material around them — the interstellar medium — is complicated. Stars are born from
Distant Comet
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The most-often-observed of all comets should be ready to head back our way. Calculations of its orbit say it should
Moon and Venus
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The weekend gets off to a beautiful start tomorrow — if you’re an early riser. The Moon and the planet
More Antimatter
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Fictional starships notwithstanding, there’s not much antimatter in the universe. And for us, that’s a good thing. Any time matter
Antimatter
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A banana is a good source of fiber, vitamin C, and many other goodies. It’s also a source of antimatter.
Hot DOGs
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Astronomers recently found a sizzling “hot dog” in space. It’s not a Nathan’s dog from Coney Island, or a Pink’s
Survivor
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A planet that orbits a star in the Little Bear has had a traumatic few million years. It either survived
First at Jupiter
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Jupiter is like an old friend these days. We see sharp pictures of its clouds and moons all the time.
Moon and Regulus
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Regulus is one of the brightest lights in the night sky. But just how bright depends on how you look