"What is this thing?"
This disambiguation page lists articles associated with the same title. If a link led you here, you may wish to change that link to point directly to the intended article.
Sector 3 may refer to:
It is interesting to note that PYR on the Biologic Space Laboratories research station, and Pyrosphere on the BOTTLE SHIP, share the same sector number, and both consist of fiery and desert areas. They are the only sectors on both ships to demonstrate such a parity.