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Dark Matter: How Does It Explain a Star's Speed?
| Content Provider | WatchKnowLearn |
|---|---|
| Description | All the stars in a spiral galaxy rotate around a center -- but to astronomers, the speed that each star travels wasn't making sense. Why didn't stars slow down toward the edges as expected? Don Lincoln explains how a mysterious force called dark matter is (possibly) the answer -- and why the search for an answer matters. |
| Language | English |
| Access Restriction | Open |
| Rights License | Proprietary |
| Subject Keyword | The Universe k-12 homeschool homeschooling home school parents educational videos k12 preK-12 Astronomy Cosmology Science |
| Content Type | Video |
| Educational Role | Student Teacher |
| Educational Use | Self Learning Lecture |
| Time Required | PT3M16S |
| Education Level | Class XI Class XII Class X |
| Pedagogy | Lecture cum Demonstration |
| Resource Type | Video Lecture |
| Subject | Space Science |