وسائط ذات صلة
Titan in natural colours
الشرح: This image taken by NASA's Cassini spacecraft in January 2012 shows Saturn's moon Titan in near natural colours. The orange-yellowsh colour stems from a layer of partially charged hyodrocarbon compounds. In the visible light, Titan's surface remains largely hidden below the opaque atmosphere.
المصدر: NASA/JPL-Caltech/Space Science Institute
رابط المصدر
License: PD الملكية العامة أيقونات
Rhea reappearing after occultation by Titan
الشرح: On October 27, 2009, NASA’s Cassini spacecraft orbiting around Saturn captured this view of Saturn's moon Rhea as it began to emerge after being hidden by Saturn's largest moon Titan during an occultation. An occultation is a celestial event in which one object moves in front of another and temporarily blocks the first object from view.
In this image, Titan — about 5,150 km across — was closer to the spacecraft at about 1 million km, while Rhea — roughly 1,528 km in diameter — was farther away at about 2.3 million km. Titan’s high-altitude atmospheric haze is visible as a faint glow around its limb, showing the difference in surface and atmospheric properties between these two moons.
Scientists study occultations like this because watching how one moon disappears behind or reappears from another helps refine our understanding of their orbits and physical characteristics.
المصدر: NASA/JPL/Space Science Institute
رابط المصدر
License: PD الملكية العامة أيقونات
الأنشطة المرتبطة
Children's Planetary Maps: Titan
astroEDU educational activity (links to astroEDU website) Description: Learn about the only other known body in the Solar System with Seas and Lakes
License: CC-BY-4.0 المشاع الإبداعي نَسب المُصنَّف 4.0 دولي (CC BY 4.0) أيقونات
وسوم:
Maps
, Planetary cartography
, Spatial thinking
الفئات العمرية:
6-8
, 8-10
, 10-12
المرحلة التعليمية:
المرحلة المتوسطة
, المرحلة الابتدائية
, المرحلة الثانوية
مجالات التعلم:
تعلم منظم قائم على الاستقصاء
التكاليف:
تكلفة منخفضة
المدة:
ساعتان
حجم المجموعة:
جماعي
المهارات:
تحليل البيانات وتفسيرها
, طرح الأسئلة
, توصيل المعلومات
, صياغة التفسيرات
, تطوير النماذج واستخدامها
, بناء حجج استنادًا إلى الأدلة
, تخطيط وتنفيذ التحقيقات



