A new type of comet - our first interstellar visitor?
If this iceball turns out to be our first confirmed visitor from another
solar system, we should definitely consider a mission to it.
Imagine getting a "free" sample of another star system sent right to
our address.
http://www.universetoday.com/2008/12/02/a-new-type-of-comet/
Even if the comet isn't from an alien Oort Cloud, it still warrants a more
in-depth examination.