Jaksokuvaus
It's difficult -- some would say impossible -- to comprehend the sheer size of one galaxy, much less the universe. But how do these gargantuan galaxies form? Tune in as Allison and Robert break down the science behind the formation of galaxies. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.