Latest Star clusters Stories
This colorful view of the globular star cluster NGC 6362 was captured by the Wide Field Imager attached to the MPG/ESO 2.2-meter telescope at ESO’s La Silla Observatory in Chile.
A surprising black hole discovery made while using the National Science Foundation's Karl G. Jansky Very Large Array (VLA) is causing scientists to change what they know of globular star clusters.
Juan Ponce de León set sail to the Americas to try and find the fountain of youth, but maybe if he had a better telescope he could have just looked up to find it.
A loose star cluster located approximately 800 to 1,000 light years from Earth could be vital in helping experts not only to understand how stars like the Sun evolve, but also to help them in the search for Earth-like planets.
Researchers working at the University of Bonn in Germany have used computer simulations to discover the first evidence that the way in which stars form depends upon the conditions of their birth environments.
Astronomers have found a cluster of stars that they say survived a massacre 13 billion years ago.
Mysterious “blue stragglers” are old stars that appear younger than they should be: they burn hot and blue. Several theories have attempted to explain why they don’t show their age, but, until now, scientists have lacked the crucial observations with which to test each hypothesis.
Two newly discovered globular clusters have been added to the total of just 158 known globular clusters in our Milky Way.
Not all stars are loners. In our home galaxy, the Milky Way, about half of all stars have a companion and travel through space in a binary system.
ESOâ€™s infrared survey telescope digs deep into star-forming regions in our Milky Way.
Star Cluster -- Star clusters are physically bound systems of stars. In order of low compactness to high compactness (and in some sense also age) they range from stellar associations to open clusters to globular clusters. Star clusters are held together by the gravitation of their members. Due to both external (encounters with massive objects, influence of the host galaxy) and internal (encounters with other cluster members, stellar evolution) influences, clusters slowly evaporate. Their...
Open Cluster -- An open cluster is a group of star formed from a molecular cloud, the illuminated parts of which we see as one or more nebulae. They are also called galactic clusters since they exist within the galaxy. All the stars in an open cluster have more or less the same age and the same chemical composition, so any difference between them is solely due to their mass. Most open clusters are dominated by their O-type and B-type giant blue stars, which are very luminous but...
Globular Cluster -- A globular cluster is a cluster of stars that is spherical in shape and extremely dense towards its core. Globular clusters are usually composed of hundreds of thousands of old stars, similar to the bulge of a spiral galaxy but confined to a volume of only a few cubic parsecs. Some globular clusters (like Omega Centauri in our Milky Way, and G1 in M31) are truly massive clusters, with several million times the mass of our Sun. Such globular clusters may be the...
Milky Way Galaxy -- The Milky Way (a translation of the Latin Via Lactea, in turn derived from the Greek Galaxia (gala, galactos means "milk")) is a hazy band of white light across the night sky formed by billions of stars in the disc of our galaxy. The Milky Way appears brightest in the direction of Sagittarius, where the galactic centre lies. Relative to the celestial equator, the Milky Way passes as far north as the constellation of Cassiopeia and as far south as the constellation of...
- A volcanic mudflow.