SciShow Space

Where Do the Biggest Galaxies Come From? (2019x93)

Ημερομηνία προβολής: Νοέ 19, 2019

Submillimeter galaxies are ancient, dense, massive galaxies with up to 10 times the number of stars in the Milky Way, and for a long time, scientists couldn’t even figure out how they existed in the first place.