From NSF https://twitter.com/NSF on Twitter: Exploring the mysteries of dark energy and black holes. Identifying exoplanets. Capturing the origins of galaxies. Just some of what's happening at #NSFfunded ground-based observatories, windows on the universe that allow us to gaze farther out and further back than ever before. https://twitter.com/NSF/status/1155867829108989957/video/1 https://chirp.cooleysekula.net/attachment/59967