RT @NASAblueshift@twitter.com

What do #whalesharks and stars have in common? @NASAHubble@twitter.com has helped us track both! An algorithm written to help Hubble track stars also helps us identify the spot patterns on individual whale sharks to track them too! #InternationalWhaleSharkDay! https://go.nasa.gov/2MLnFoD

🐦🔗: https://twitter.com/NASAblueshift/status/1167474562658967554