StarTalk @StarTalkRadio
The dark line running through the center of the star is a protoplanetary disk, a disk of dense gas and dust drawn to the young star as it gained mass. The disk—about the size of our Solar system—will continue to feed the star into maturity. What's leftover will become planets.🪐 https://t.co/jGGkmRtIww — PolitiTweet.org