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Online Course
Massachusetts Institute of Technology

Mit: Open Course Ware: Courses: Extrasolar Planets: Physics and Detection

For Teachers 9th - 10th
A university-level course that examines the atmospheres and interiors of extrasolar planets, or exoplanets. The course also looks at the search for planets that could support life. Includes lecture notes and assignments.
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Website
NASA

Nasa: Hubble Finds 16 Exoplanet Candidates

For Students 9th - 10th
In the past, extrasolar planets have either been too far away to detect or conditions did not allow them to be seen. Hubble has made this possible and has determined that planets are as abundant in other areas of the milky way as they...