Astronomically speaking, Westerlund 1 is very young with an estimated age of between 3.5 million and five million years.

The extraordinary photo reveals countless celestial bodies that shine like precious stones. ...

Recent observations, including those from the Hubble Space Telescope, suggest that early galaxies harbored significantly more ...

It is these "stellar mass seeds" of black holes that would need to grow up too fast. Westerlund 1 is the biggest and ...

The James Webb Space Telescope (JWST), which has been delivering breathtaking images of the cosmos since its launch, has once ...

NASA’s exploration of nebulas, including unique structures like the ’eye’ star and Westerlund 1, provides insights into star ...

This artist's impression shows the magnetar in the very rich and young star cluster Westerlund 1. This remarkable cluster contains hundreds of very massive stars, some shining with a brilliance of ...

One of the latest images it has taken is of a "super star cluster" called Westerlund 1, and it shows an abundant collection of heavenly bodies, shining brightly like gemstones. Super star clusters ...

It is these “stellar mass seeds” of black holes that would need to grow up too fast. Westerlund 1 is the biggest and closest. The alternative is that they could form from “heavy seeds ...