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安裝中文字典英文字典辭典工具!
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- Why Is the Sky Blue? | NASA Space Place – NASA Science for Kids
Why Is the Sky Blue? The Short Answer: Sunlight reaches Earth's atmosphere and is scattered in all directions by all the gases and particles in the air Blue light is scattered more than the other colors because it travels as shorter, smaller waves This is why we see a blue sky most of the time
- Why Is the Sky Blue? | NASA Space Place – NASA Science for Kids
La luz del Sol llega a la atmósfera de la Tierra y se dispersa en todas direcciones por los gases y las partículas que se encuentran en el aire La luz azul se esparce más que el resto de los colores porque viaja en olas más cortas, más pequeñas Este es el motivo por el cual casi siempre vemos el cielo de color azul
- Earth | NASA Space Place – NASA Science for Kids
Answer your questions: What is the atmosphere? How much water is on Earth? Why is the sky blue? How far away is the Moon?
- NASA in the 50 States! :: NASA Space Place
The Solar System Ambassadors, Museum Informal Education Alliance and Night Sky Network are NASA programs that work with motivated volunteers across the nation to share the latest science and discoveries of NASA's missions through a variety of events that inspire their communities
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