Tycho's supernova which he saw in Casseopia was important, as its suddenness and brightness caused him to study astromomy for the rest of his life. That resulted in many contributions to the modern understanding of stellar objects.
A stellar spectrum is the light emitted by a star.
Stellar Occasion was created in 1994.
Stellar dust is the dust hovering around in space.
There is no known role of magnetism in stellar evolution.
Tycho's supernova which he saw in Casseopia was important, as its suddenness and brightness caused him to study astromomy for the rest of his life. That resulted in many contributions to the modern understanding of stellar objects.
"Stellar" means "related to a star", so you can use it in expressions such as "stellar wind", "stellar atmosphere", "stellar fusion", etc.
As far as I know, there is no simple relationship between the two. Not much is known yet about planets orbiting other stars, so I don't think there are sufficient statistics about this either.
The way stellar magnitude works, a smaller number is associated with increased brightness. Since -3 < -2, a magnitude -3 star would be brighter than a magnitude -2 star. Each decrease in magnitude by 1 means in increase in brightness by a factor of about 2.5119. Equivalently, each decrease in magnitude by 5 means an increase in brightness by a factor of 100. Incidentally, the brightest star in the sky (Sirius) has an apparent magnitude of only about -1.5.
There are two definitions for the word stellar. One meaning is of something relating to stars. The other meaning is very good. An example of a sentence using the latter definition of the word is, "The orchestra gave a stellar performance last night."
Stellar Kart was created in 2002.
The Stellar Missiles was created in 1949.
Hyundai Stellar was created in 1983.
Eliot Stellar was born in 1919.
Stellar Frontier happened in 1997.
Stellar Supreme was created in 1992.
Stellar Airways was created in 2011.