Ravi Karkara @ravikarkara
#HoagsObject is a non-typical galaxy of the type known as a ring galaxy. The galaxy is named after #ArthurHoag who discovered it in 1950 and identified it as either a planetary nebula or a peculiar galaxy-with eight billion stars, spanning roughly 100,000 light years. https://t.co/eqUxIXYm9l — PolitiTweet.org