NASA @NASA
Imagine slow-motion fireworks that started exploding 170 years ago & are still continuing. This type of firework is not launched into Earth's atmosphere, but into space by a super-massive star. Celebrate the #FourthOfJuly w/ the latest @NASAHubble view: https://t.co/uQ1oNGQp0O https://t.co/Gk6k69sqgi — PolitiTweet.org