The phrase "distant dwarf" refers to something small and far away. It can describe an object, a person, or a celestial body that is both small in size and situated at a significant distance from us. Full definition
Yesterday, at a joint meeting here of the European Planetary Science Congress and the Division for Planetary Sciences of the American Astronomical Society, planetary researchers showed how distant dwarf planets in the outer solar system — some of them named after mythological spirits — reveal hidden properties when they pass in front of even more remote stars, a process known as «occulting.» (sciencemag.org)
One repeating example of a fast radio burst has finally been pinned down to a tiny and distant dwarf galaxy, narrowing down its precise origin (newscientist.com)
«Astronomers discover new distant dwarf planet beyond Neptune.» (sciencedaily.com)