1 រដូវ
5 ភាគ
The Cosmic Onion - Season 1 Episode 1
A is for Atoms: In this first of five lectures, Professor Frank Close examines the electromagnetic spectrum, including infrared to ultraviolet rays and radio waves to gamma rays.
- ឆ្នាំ: 1993
- ប្រទេស:
- ប្រភេទ:
- ស្ទូឌីយោ:
- ពាក្យគន្លឹះ:
- នាយក:
- ខាស:
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