DR8 |
DR8 Projects | ||
Basic | ||
Advanced | ||
Research Challenges | ||
- The Milky Way | ||
- Small Galaxies | ||
- Quasar Spectra | ||
- Map the Universe | ||
- HII Regions | ||
For Kids | ||
User Activities | ||
Games and Contests | ||
Links to Others |
Research QuestionHow are stars in the Milky Way's disk different from stars far away from the disk? Things you might think about
Tools that might help you (all links open in new windows)Navigate: use this tool to get data on single stars Sky Map (globe on lower right of Navigate): use this tool to find where in the sky the SDSS has looked. The brown stripe is the plane of the Milky Way. If the tool doesn't work for you, see the diagram of the SDSS's sky coverage. Search Form: use this tool to search for data on many stars. See the user's guide to learn how to use the tool. Science background (new windows)"Milky Way" at Students for the Exploration and Development of Space Hints and cautions (new windows)If you look at spectra, study the line labels carefully. Not all of them are element names! You can use SQL aggregate functions (like avg, min, max) to do your analysis.
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