Happy #NaturePhotographyDay! Take a dive into this Hubble image of the Cosmic Reef 

Even though this view looks like an undersea world, it’s really two spectacular nebulae unleashing a firestorm of starbirth about 163,000 light-years away! Read more: https://t.co/hh9Edqus46 https://t.co/bOFUh3wTNQ