From the post:
The rapid adoption of Python by the astronomical community was starting to make it a victim of its own success, with fragmented development of Python packages across different groups. Thus began the project began in 2011, with an ambitious goal to coordinate Python development across various groups and simplify installation and usage for astronomers. These ambitious goals have been met and are summarized in the paper , prepared by the Astropy Collaboration. The webpage provides download and build instructions for the current release, version 0.2.4, and complete documentation. It is released under a "3-clause" BSD-type license - the package may be used for any purpose, as long as the copyright is acknowledged and warranty disclaimers are given.
