protogalaxy

Noun

Meaning

protogalaxy (plural protogalaxies)

A cloud of gas which is starting to form a galaxy.

Source: en.wiktionary.org

Examples

Hot dark matter main "Hot" dark matter consists of particles whose FSL is much larger than the size of a protogalaxy. Source: Internet

It is dark matter composed of constituents with an FSL much smaller than a protogalaxy. Source: Internet

Warm dark matter main "Warm" dark matter refers to particles with an FSL comparable to the size of a protogalaxy. Source: Internet

Conversely, much lighter particles, such as neutrinos with masses of only a few eV, have FSLs much larger than a protogalaxy, thus qualifying them as "hot". Source: Internet

Close letter words and terms

protofluoride protoform protogalactic protogastric protogenal protogeneous