Castor | star | Britannica
Sky Observer Group - Castor (Alpha Geminorum) in Gemini (in Thai and English) Right ascension 07h 34m 35.8s Declination +31° 53′ 17.79″ Castor (หรือ α Gem, α Geminorum, Alpha Geminorum) เป็นดาวฤกษ์ที่สว่างที่สุดเป็นอันดับที่ 2
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Castor (α Gem) | Facts, Information, History & Definition
Castor (Alpha Geminorum)
HR 2877 Geminorum
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