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Scientists have argued for years over the answer to this question. And central to their debate has been Pluto, the tiny orb circling the Sun at the outermost reaches of our solar system. Then on August 24, 2006, a group of astronomers made a big announcement: Pluto could no longer be considered a planet.
This fascinating and breathtaking audiobook explains in simple terms how advancements in technology have changed our understanding of the universe–and exactly how and why the number of planets in our solar system went from nine to eight.
- Elaine Scott - 作者
- Pete Larkin - 旁白者
OverDrive 聆聽模式有聲書
- 國際標準書號: 9780739363362
- 檔案大小： 20870 KB
- 發行日期： 2008年1月8日
- 持續時間： 00:43:28
MP3 有聲書
- 國際標準書號: 9780739363362
- 檔案大小： 20921 KB
- 發行日期： 2008年1月8日
- 持續時間： 00:43:28
- 章節數： 1
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