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| Paper: |
Dark Matter |
| Volume: |
513, Serendipities in the Solar System and Beyond |
| Page: |
217 |
| Authors: |
Ko, C.-M. |
| Abstract: |
Mass of astrophysical objects can be estimated by its dynamics or its luminosity. However, for objects the size of galaxy or larger, the dynamical mass is always larger than the luminous mass, and much larger in general. The discrepancy is commonly called the “missing mass” problem. The cause is usually attributed to the existence of some unseen hidden matter, dark matter. Dark matter is ubiquitous. Modern cosmology demands dark matter, in particular non-baryonic dark matter. Here I discuss the necessity and some challenges of the dark matter paradigm. |
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