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COMET
(redirected from Dust tail)

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COMET
Cardiology Carvedilol or Metoprolol European Trial. A trial comparing carvedilol and immediate release metoprolol tartrate on clinical outcome in patients with moderate to severe heart failure
Conclusion Cardiovascular deaths occurred in 29% of carvedilol patients and in 35% of metoprolol patients
ENT Combined microscopic & endoscopic technique. An alternative to the technically demanding endoscopic sinus surgery for chronic sinus diseases, a technique which allows less experienced operators to manage these diseases with fewer complications


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As a comet nears the sun, it typically sports two tails--a brilliant dust tail and a fainter ion tail.
It's also spouting geysers of gas, and its twin gas and dust tails stretch for some 30 million miles.
But some comets, like Hale-Bopp, also have a dust tail Because this trail of rock and dust reflects lots of sunlight, dust tails are highly visible.
 
 
 
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