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Collection : Directory Of Open Educational Resources (Doer) - Commonwealth Of Learning Language : bulgarian Language : portuguese Language : sinhala Language : thai Language : unknown

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Audio

Star brightness and star distance

Authors : Not available

Subjects: astronomy; secondary education

Source: http://orbit.educ.cam.ac.uk/wiki/Star_brightness_and_star_distance.

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Audio

Stars change

Authors : Not available

Subjects: astronomy; secondary education

Source: http://orbit.educ.cam.ac.uk/wiki/Stars_change.

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Audio

Comets and Meteors

Authors : Not available

Subjects: teaching & learning methods; astronomy; secondary education

Source: http://orbit.educ.cam.ac.uk/wiki/Comets_and_Meteors.

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Audio

Cepheid stars

Authors : Not available

Subjects: astronomy; secondary education

Source: http://orbit.educ.cam.ac.uk/wiki/Cepheid_stars.

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Audio

The Mystery of the Sun

Authors : Not available

Subjects: astronomy; secondary education

Source: http://orbit.educ.cam.ac.uk/wiki/The_Mystery_of_the_Sun.

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