Halo stars are all population ii objects
WebIn our own galaxy there are two relatively distinct populations of stars as discovered by Baade in 1944. Population II stars are the old metal poor stars that form the halo of the … Webordinary Population II stars. Unfortunately, the evidence for such a cutoff is now in dispute: The Zdistribution for Population II stars extends well below 10-5and there exists one object with Z= 6 x 10-7. In any case, the number of low-Zobjects is not necessarily incompatible with the assumption that the IMF has always
Halo stars are all population ii objects
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WebThe galactic halo surrounding the galaxy Milky Way where the Earth is located has a radius of about 50,000 light years or equivalent to 5 x 1017 kilometers. What makes up a … WebThe planetary nebula population in the halo of M 87 Alessia Longobardi 2013, Astronomy & Astrophysics Stars in the mass range between 1 and 8 M go through the planetary nebula (PN) phase before ending their lives as white dwarfs.
WebMar 27, 2024 · 2. Stellar orbits in the galaxy can be classified in a few ways. Splitting up by Population I, Population II is not the most instructive way to proceed. While Pop II stars are typically older than Pop I stars, and … WebPopulation I consists of younger stars, clusters, and associations—i.e., those that formed about 1,000,000 to 1,000,000,000 years ago. Certain stars, such as the very hot blue-white O and B types (some of which are …
Web(a) disk Population I stars include the sun and tend to be luminous, hot and young, concentrated in the disks of spiral galaxies. They are particularly found in the spiral arms. (b) halo Population II stars are found in the halos of spiral galaxies … View the full answer Transcribed image text: 1. WebJun 27, 2024 · The Population I are said to be ``metal-rich'' in comparison to the Population II stars. There is a continuum of the metal abundance and orbit shapes. The …
WebPopulation II stars tend to be found in globular clusters and the nucleus of a galaxy. They tend to be older, less luminous and cooler than Population I stars. They have fewer heavy elements, either by being older or being in regions where no heavy-element producing predecessors would be found.
http://burro.astr.cwru.edu/Academics/Astr222/Galaxy/Structure/halo.html hugo boss mens trainers size 11WebIts Population II component, spread over a more nearly spherical volume of space, includes globular clusters, RR Lyrae variables, high-velocity stars, and certain other rarer objects. As time progressed, it was possible for … hugo boss mens t-shirts+mannersWeb1. The main premise of your question is questionable. There are plenty of population II stars found in the disk of our Galaxy. The halo population has roughly spherical … holiday inn express west ridge roadWebIn our own galaxy there are two relatively distinct populations of stars as discovered by Baade in 1944. Population II stars are the old metal poor stars that form the halo of the … hugo boss mens tennis shoesWebPopulation II stars tend to be found in globular clusters and the nucleus of a galaxy. They tend to be older, less luminous and cooler than Population I stars. They have fewer heavy elements, either by being older or being in regions where no heavy-element producing predecessors would be found. Astronomers often describe this condition by ... hugo boss mens t-shirts+approachesWebOct 3, 2024 · The stars comprising the halo are very old and dispersed very thinly across the approximately two hundred thousand light years of the halo's diameter. Some are grouped together in clusters. The halo is … hugo boss mens trainersWebThe brightest star that is classed as a "halo" or metal-poor population II star is HD 140283, with a visual magnitude of 7.2 and not even visible to the naked eye. Even this is only a halo object in the sense of being a high … hugo boss mens tracksuit sale