Classroom Aid - GAIA

2,637 views · Published 9 May 2018 · 1:51 · Indexed 22 September 2026

Channel: David Butler · 2018 · Education

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Text in 'How far away is it - Distant Stars document at: 
http://howfarawayisit.com/wp-content/uploads/2018/05/Distant-Stars.pdf

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