NASA @NASA
New generations of stars in our Milky Way galaxy are recycled — from the gas and dust of other dying stars. However, 10 years of @NASAHubble ultraviolet data are showing that there is more gas coming into the galaxy than going out. Explore the theories: https://t.co/pX4ngzQNUv https://t.co/cjFW2FFugT — PolitiTweet.org