Why are scientists interested in the death of a comet?
They hope to unlock secrets about the genesis of the solar system.
They fear comets are becoming endangered.
They want to ensure that a new video game is accurate.

	What is so special about LINEAR?
LINEAR was the first comet ever.
LINEAR was the first comet to come close enough to Earth to be studied.
LINEAR was the first comet with a chemistry that indicated its water had the same isotopic composition as the water actually found on Earth.

	How did LINEAR die?
A collision with an asteroid could have weakened the comets structural integrity.
The comet rotated fairly rapidly, which contributed to its disintegration.
Both a and b are possible explanations.