How Do Galaxies Grow? Assembling the Most Massive Galaxies in the Universe
European Southern Observatory
Astronomers have caught multiple massive galaxies in the act of merging about 4 billion years ago. This discovery, made possible by combining the power of the best ground- and space-based telescopes, uniquely supports the favoured theory of how galaxies form.
Tran, K. H., Moustakas, J., Gonzalez, A. H., Kautsch, S., Bai, L., & Zaritsky, D. (2008). How Do Galaxies Grow? Assembling the Most Massive Galaxies in the Universe. European Southern Observatory, eso0824 - . Retrieved from https://nsuworks.nova.edu/cnso_chemphys_facarticles/280