There are many dozens of comets, most are small and not very visible.
Generally, a comet has a single tail. However, one recent comet had "split" tails, and historical reports include other sightings of two-tailed comets.
No. For one thing, Halley's comet is a comet, not an asteroid. The largest asteroid is Ceres, which is far larger than Halley's comet.
Comet is a company that entered receivership in 2012. Comet no longer sell televisions and as such there is no designated place for one to find further information about Comet TVs.
Not more than 200 years - less than 200 years. As to the "why", that's because this is how "short-period" vs. "long-period" is defined. Any comet that takes less than 200 years for one revolution is defined as short-period.
An asteroid
Hard. If you want more specific than that, you're going to need to know about the mass and speed of the comet.
No, Halley's comet is smaller than the Moon
A super comet is a theoretical concept referring to a comet that would have an unusually large nucleus and/or a highly elliptical orbit that brings it close to the Sun. These super comets could potentially be much larger and more spectacular than typical comets. However, no super comet has been observed to date.
It's "Hally's" comet, and no, there are thousands, perhaps millions more
The most beneficial place to fund information about Comet online is the official website for Comet. If one does not find the answer they are looking for there is a contact us section on the site that allows one to contact the relevant persons to find the information they are looking for.
A comet with a period of 200 years or more.
A comet with a period of 200 years or more.