Closest Dione Flyby

The image was taken in visible light with Cassini's narrow-angle camera during the spacecraft's flyby of Dione on Dec. 12, 2011. This encounter was the spacecraft's closest pass of the moon's surface, but, because this flyby was intended primarily for other Cassini instruments, it did not yield Cassini's best images of the moon. Higher resolution images were obtained during earlier flybys (see PIA07638).
Dione (698 miles, or 1,123 kilometers across) is closest to Cassini here and is on the left of the image. Potato-shaped Prometheus (53 miles, or 86 kilometers across) appears above the rings near the center top of the image. Epimetheus (70 miles, or 113 kilometers across) is on the right.
This view looks toward the northern, sunlit side of the rings from less than one degree above the ring plane. The view was acquired at a distance of approximately 67,000 miles (108,000 kilometers) from Dione. Image scale is 2,122 feet (647 meters) per pixel on Dione.


(शनि के चंद्रमा Dione पिछले फ्लाइंग, कैसिनी जो दो छोटे चांद, ग्रह के छल्ले के निकट Epimetheus और प्रोमेथियस, इस दृश्य पर कब्जा कर लिया.
छवि दृश्य प्रकाश में कैसिनी संकीर्ण कोण कैमरा के साथ 12 दिसम्बर, 2011 को अंतरिक्ष यान flyby Dione के दौरान लिया गया था. इस मुठभेड़ अंतरिक्ष यान चंद्रमा की सतह के निकटतम गुजारें था, लेकिन, क्योंकि इस flyby अन्य कैसिनी उपकरणों के लिए मुख्य रूप से इरादा था, यह चाँद के कैसिनी का सबसे अच्छा छवियों उपज नहीं था. उच्च संकल्प छवियों पहले flybys (PIA07638 देखें) के दौरान प्राप्त किया गया.
Dione कैसिनी (698 मील, या भर में 1123 किलोमीटर) निकटतम करने के लिए यहाँ और छवि की बाईं तरफ के है. आलू आकार प्रोमेथियस (53 मील की दूरी पार या 86 किलोमीटर) छवि के केन्द्र शीर्ष के निकट के छल्ले के ऊपर प्रकट होता है. Epimetheus (70 मील या 113 किलोमीटर की दूरी के पार) दाईं तरफ है.
यह देखने के उत्तरी, अंगूठी विमान के ऊपर कम से कम एक डिग्री से के छल्ले के sunlit पक्ष की ओर लग रहा है. दृश्य Dione से लगभग ६७,००० मील (108.000 किलोमीटर) की दूरी पर अधिग्रहण कर लिया था. छवि पैमाने Dione पर पिक्सेल प्रति २,१२२ फीट (647 मीटर) है.)

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