Loading…
Loading contentLoading…
Loading contentA galaxy with no regular spiral or elliptical structure, often small and gas-rich with vigorous star formation. Many are shaped by the gravitational pull of larger neighbours, like the Magellanic Clouds beside the Milky Way.
Facts on this topic will be cited from these primary and reference sources.
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.