It has been requested that at least one image be uploaded for this article. Remove this notice only after the image(s) have been added.
The Beacon is the large star-like reactor that powers the Comet Observatory, including the space station's propulsion systems, life support, and its Domes. The Beacon begins as a small, dim star, but as Mario collects more Grand Stars, the star becomes larger and brighter, allowing access to more Domes.
This article is a stub. Please consider expanding it to include any missing information.