"Firstly, all the known clusters rich in red supergiants are located towards the central regions of the Milky Way, with the exception of NGC 7419," Negueruela added. "This makes sense because star ...

A: To determine the age of a globular cluster, astronomers ... at a much higher temperature, the star’s outer atmosphere expands, and it turns into a red giant. As the name suggests, a red ...

ESA/Hubble & NASA, J. Kalirai, A. Milone This week’s Hubble image is, appropriately enough, a star cluster called NGC 330 which glitters in shades of red, white, and blue. Stars appear different ...

In mid-February around 8 p.m., the majestic constellation Orion is due south, with his three-star belt and bright white foot (the star Rigel) and bright red-orange ... is the star cluster known ...

"Clusters rich in red supergiants ... An investigation using the star-surveying Gaia space telescope revealed that the Barbá 2 is packed with red supergiant stars, stars that can be hundreds ...