COMET


Also found in: Dictionary, Thesaurus, Acronyms, Encyclopedia, Wikipedia.
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 ?
Although it is possible to spot the passing comet with the naked eye, it is highly advisable to use a telescope instead to avoid external factors from affecting its visibility.
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, 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.
A preceding C is used for non-periodic comets, or comets with periods longer than 200 years.
In September, scientists selected a flat-looking landing spot on one lobe of the comet. Two months later, Rosetta dropped its lander.
Data collected through September 2014 are just "our first impression of the comet," says Matt Taylor, Rosetta's project scientist at the European Space Agency's Space Research and Technology Centre in Noordwijk, the Netherlands.
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.
Civilisations in the West usually went with the negative, regarding them as harbingers of evil, but the universal consensus seemed to be that when a comet appeared, something momentous was about to happen.
As the comet approaches, heat from the sun will vaporize ices in its body, creating what could be a spectacular tail that is visible in Earth's night sky without telescopes or even binoculars from about October 2013 through January 2014.
Lovejoy is quite a remarkable comet. Unlike most Kreutzcomets which end up being consumed by the Sun, Lovejoy survived after passing approximately 140 000 kilometres above the Sun's surface!
Using the Sierra Stars Observatory Network's 0.61m robotic telescope situated in Markleeville, California, I imaged the comet several times between 2011 April and June (Figure 1).