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COMET
(redirected from Long-period comet)

   Also found in: Dictionary/thesaurus, Acronyms, Encyclopedia, Wikipedia 0.01 sec.
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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A long-period comet takes from 200 years to tens of millions of years to make a single orbit of the sun.
Based on observations of long-period comets, an outer portion seems to extend from 20,000 to 200,000 astronomical units from the Sun.
Brown's team suggests that Sedna is part of the cloud of frigid debris that the Dutch astronomer Jan Oort predicted 54 years ago to be a source of long-period comets with orbits that span millennia.
 
 
 
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