Difference between revisions of "Clusters"
From PGSC Wiki
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* Tell me about globular clusters in a Galaxy. (SR) | * Tell me about globular clusters in a Galaxy. (SR) | ||
** Mass, Number of Stars, Spatial Distribution in a galaxy, Typical Ages, Number in the Milky Way and in M87... | ** Mass, Number of Stars, Spatial Distribution in a galaxy, Typical Ages, Number in the Milky Way and in M87... | ||
| − | * What is the Spitzer instability? (SR) | + | * What is the Spitzer instability? (SR)] |
| + | |||
| + | Galaxy clusters: | ||
| + | * What are typical temperatures of the gas in a galaxy cluster? | ||
| + | ** How do we know this?/What is the emission mechanism? | ||
| + | ** What if the gas were instead approximately 10 to 100 K cooler. What would the main emission mechanism be then? | ||
| + | |||
[[Astrophysics]] | [[Astrophysics]] | ||
Revision as of 18:24, 5 December 2008
Questions in this category have been asked by
- How can you tell the mass and age of a cluster?
- Draw an HR diagram for a globular cluster
- What is pleides? What is its mass?
- Tell me about globular clusters in a Galaxy. (SR)
- Mass, Number of Stars, Spatial Distribution in a galaxy, Typical Ages, Number in the Milky Way and in M87...
- What is the Spitzer instability? (SR)]
Galaxy clusters:
- What are typical temperatures of the gas in a galaxy cluster?
- How do we know this?/What is the emission mechanism?
- What if the gas were instead approximately 10 to 100 K cooler. What would the main emission mechanism be then?
