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1 Jan 100 Jahr - Ptolemy's Discovery

Beschreibung:

Ptolemy discovered how light beams bend when traveling from air to glass.

Zugefügt zum Band der Zeit:

Gr. 8 Science Unit C Section 1.0 Timeline

ByApril Santos
5 Nov 2018

Datum:

1 Jan 100 Jahr
Jetzt
~ 1925 years ago
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