NASA's Hubble captures a star-spangled sea of 500,000 stars

Hubble captured more than 500,000 stars in Messier 3, an ancient globular cluster whose variable stars, blue stragglers, and distinct stellar populations offer clues to the Milky Way's history.

哈勃望远镜拍摄了古老球状星团梅西耶3号中的50多万颗恒星。这个星团拥有大量变星、蓝离散星和两个不同的恒星群体，为研究银河系的历史提供了重要线索。