Eclipses of the sun and moon
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Illustrates solar and lunar eclipses, and explains the effect of the position of the earth’s and moon’s orbital planes on the frequency of eclipses. Suitable for upper primary and secondary levels.
Sources
- 16mm Filmography (legacy record) — title, description, catalog record
- Wikidata · Q123373307 ↗ — year
Original permalink · Record added 2026-01-23 03:27:21