celestial sphere
/səˈlɛstʃəl ˈsfɪɹ/
An imaginary ball around the earth showing the stars.
“Astronomers map star positions on the celestial sphere.”
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inoh
inoh
/səˈlɛstʃəl ˈsfɪɹ/
An imaginary ball around the earth showing the stars.
“Astronomers map star positions on the celestial sphere.”
Zu My Deck hinzufügen