Figuring out the ages of stars is fundamental to understanding many areas of astronomy—yet, it remains a challenge since stellar ages can't be ascertained through observation alone. So, astronomers at ...
The MPG/ESO 2.2-meter telescope at ESO’s La Silla Observatory in Chile captured this colorful view of the bright star cluster NGC 3532. Some of the stars still shine with a hot bluish color, but many ...
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