Happy #FourthOfJuly from Hubble! 🇺🇸
Stars shine red, white, and blue in this new Hubble image of globular cluster ESO 591-12.
Hotter stars are bluer, giving off shorter wavelengths of light, and red stars are cooler, emitting longer wavelengths: https://t.co/P1zqRgHskv pic.twitter.com/bcMU5zbMck
— Hubble (@NASAHubble) July 4, 2025
