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Related to COMET: Halley's comet, Currys
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
References in periodicals archive ?
The G tells us that the comet was discovered in the first half of April (January = A+B; February = C+D; March = E+F; April = G+H; and so on).
Comet 96P also known as comet Machholz, for amateur astronomer Dan Machholzs 1986 discovery of the comet completes an orbit around the Sun every 5.
Pieces that break off from comets are called meteors.
For observations of comets to be of scientific value the observer should concentrate on the following: estimates of the total visual magnitude of the comet (preferably made over the entire apparition to allow construction of a light curve), the diameter of the coma, the degree of condensation, estimates of the length and position angle of the tail, and detailed visual descriptions, sketches and photographs.
The expectation is high that Comet C/ISON will be much brighter and more spectacular than most other sungrazers when it puts on a show late this year.
Comet ISON could break apart as it nears the sun, or it could fail to produce a tail of ice particles visible from Earth.
According to Levison's comet taxonomy, comets with T>2 are designated 'ecliptic' comets because most members have small inclinations.
Analyses of some of the larger chunks reveal details about how the comet is falling apart.
The breakup has cracked the comet open like an egg," revealing its interior composition, Sitko says.
Every comet has its own orbital period: Each takes a different length of time to complete a full orbit around the sun.
The first part of this work begins with an extended discussion of historiographical matters, continues with cometary theory and lore up to the sixteenth century, and ends with the dilemma posed to traditional cosmologies, religious and philosophical by the comet of 1577.
We can calculate where they are going but the brightness and tail appearance of a comet is difficult to predict.