Using the Hubble Space Telescope (HST), astronomers have observed a supermassive galactic open cluster designated Westerlund 1. Results of the study, published Jan. 28 on the pre-print server arXiv, yield essential details regarding the structure of this cluster. Using the Hubble Space Telescope (HST), astronomers have observed a supermassive galactic open cluster designated Westerlund 1. Results of the study, published Jan. 28 on the pre-print server arXiv, yield essential details regarding the structure of this cluster. Astronomy Phys.org – latest science and technology news stories
The Westerlund 1 star cluster: Hubble unveils detailed structure
