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Loading contentThe community-developed core package for astronomy in Python, providing the shared building blocks the field relies on: physical units and constants, celestial coordinate transformations, time scales, cosmological calculations, and reading and writing of FITS and other data formats. A large ecosystem of affiliated packages builds on its foundation.
Facts on this topic will be cited from these primary and reference sources.
Science operations and public image archives for the Hubble and James Webb space telescopes (MAST, HubbleSite, webbtelescope.org).
Hubble/Webb images released by NASA/STScI are generally free to use with a credit line; each item's terms are checked before use.