NASA's aging Hubble telescope offers gorgeous glimpse at churning galaxy

The Hubble Space Telescope, which is operated by both NASA and the European Space Agency, is one of the most trustworthy tools for observing distant objects in space. It's been sending back stunning images for over 29 years now, getting repairs and upgrades along the way, and NASA has chosen a particularly lovely image from Hubble to close out 2019. The image shows the galaxy known as ESO 021-G004, which sits around 130 million light-years from Earth. From our perspective, we see the galaxy at a...