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Are globular clusters small asteroid-like bodies that formed the building blocks of the planets?
Globular clustesr are clusters of stars - so they are much larger than planets or a solar system.
How big is a globular cluster?
A globular cluster is a group of thousands of stars. As the density decreases from the centre, all clusters are measured until the luminosity has decreased by one half - a half radii. So, most globular clusters have a half light radius of around 32 light years.
Why do astronomers believe that globular clusters are made of old stars?
Astronomers believe the globular clusters are made of old stars because of the lack of heavy elements. The heavy element is very abundant in stars like our sun, so the theory is the globular cluster must be older and formed in a more primitive universe.
How can varble stars be used to determine the distance to globular clusters?
The idea is that CERTAIN TYPES of stars, including certain variable stars (such as Cepheids) have a known brightness; so if you observe their apparent brightness, you can calculate their distance.
What is bigger than a galaxy cluster?
The visible universe. I'm a bit of a space buff and to my knowledge there aren't any celestial structures that are larger than a galaxy cluster. The only one I've come upon is the visible universe itself. I could be wrong about that but then again, I could be right. That tends to be how celestial questions like that one go. Hope this helps. Answer 2: Galaxy clusters are clusters of galaxies and therefore larger than individual galaxies. Superclusters are clusters of galaxy clusters and so are larger then galaxy clusters. Filaments are collections of superclusters and are the largest known structures in the universe.
Is a nebula bigger than a globular cluster?
I can't say yes, and I can't say no. The reason is because Nebulas can beenormous, it'sridiculous! But clusters are normally bigger than nebulas so on my opinion I'd say no. But if you are on a test or homework and nebula is bigger, then just go with that.
Does a star cluster have more stars than a open star cluster?
There are two types of star clusters. Globular clusters are tight groups of hundreds of thousands of very old stars which are gravitationally bound, while open clusters, are more loosely clustered, generally containing less than a few hundred stars, and are usually very young.
Why was the space race so important?
Because it is important
Is the milky way considered a clump of stars?
No. It is a disk-shaped galaxy, like a pinwheel, with several curved radial arms and a large mass at the center. The closest thing to a "clump" of stars are the so-called "globular clusters" which are more spherical in organization than other common galaxies.
Why are pulsating variable stars useful for finding distances to globular clusters?
It really depends on the type of star, but for certain star types, there is a relationship between the period and the absolute brightness, so if the period is observed, the absolute brightness can be deduced. Yes. It seems like this question is about the Cepheid variables.
Why is cooperation and teamwork so important on the space shuttles?
so they can go up 2 space faster
What has the highest amount of old stars..... An open cluster or globular cluster or association or spiral galaxy?
Whooooo there. That is a silly question. You or you teacher is forgetting about the total number of stars within a galaxy and cluster. Whilst a globular cluster has mainly older stars compared to an open cluster it will only contain a few billion stars, whereas a galaxy can have upwards of 500 billion stars, many of them old. So the answer is not definitive, but I think the answer you are looking for is global clusters.
