bullet dwarf
构词拆分
Bullet Cluster词根/词干
+
dwarf galaxy词根/词干
词源说明
Blend of Bullet Cluster + dwarf galaxy. From being a situation analogous to the Bullet Cluster of galaxies, except involving a single dwarf galaxy. Where the Bullet Cluster is a galaxy cluster shorn of its dark matter the result of two galaxy clusters colliding and combining, but their dark matter haloes passing through each other and continuing on their way.
释义（英文）
名词 Noun
- (astronomy) An ultradiffuse galaxy and dwarf galaxy with little or no dark matter, but with young very luminous globular clusters, about the same age as most of the stars in the galaxy.