NASA @NASA
For black holes, it's always a cloudy day. Believe it or not, black holes don’t always devour everything that gets too close. Nearby gas is sometimes flung away, creating cosmic clouds, areas of greater density than their surroundings. Learn more: https://t.co/39N2fwn9OI https://t.co/YgL0JYNKSt — PolitiTweet.org