globular cluster

Astronomers long thought the earliest stars had all died out, and the universe was on it's third generation of pinpoints of light in the night sky. However, the Phoenix cluster has thrown those theories out the window... as it's jam packed with "first generation" stars.

As Perseverance finally launches, SpaceX completes it's final test flight for Crew Dragon and a globular cluster of stars has astronomers rethinking what they thought they knew about their life cycles.