Northern Lights Presentation
| What are Northern Lights? | ||
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| Northern Lights, also known as Aurora Borealis, are natural lights that occur in polar regions. They are caused by solar particles colliding with the Earth's atmosphere. The colors of Northern Lights depend on which gas is being hit by the solar particles. |  | |
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| Where can you see Northern Lights? | ||
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| Northern Lights can be seen in high-latitude regions such as Norway, Sweden, Finland, Iceland, Canada, and Alaska. The best time to see them is in winter when the nights are longer. You need a clear, dark sky away from light pollution to see Northern Lights. |  | |
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| How are Northern Lights formed? | ||
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| Northern Lights are formed by solar winds interacting with the Earth's magnetic field. Solar winds consist of charged particles that are constantly being released from the sun. When these particles collide with the Earth's magnetic field, they are directed towards the polar regions where they collide with gas molecules and create Northern Lights. |  | |
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| What causes the different colors of Northern Lights? | ||
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| The different colors of Northern Lights are caused by the types of gas molecules that are being hit by solar particles. Oxygen produces green and red lights while nitrogen produces blue and purple lights. The altitude at which the collision occurs also affects the color of the Northern Lights. |  | |
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| Why are Northern Lights important? | ||
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| Northern Lights are not only a beautiful natural phenomenon, but they also have cultural and scientific significance. They have inspired myths, legends, and artwork in different cultures around the world. They also provide valuable information about the Earth's magnetic field and space weather. |  | |
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| How can you photograph Northern Lights? | ||
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| To photograph Northern Lights, you need a camera with manual settings and a tripod. Set your camera to a high ISO, a wide aperture, and a long exposure time. Be patient and wait for the Northern Lights to appear in the sky. |  | |
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| References (download PPTX file for details) | ||
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| “What are Northern Lights?” space.com, 16 Dec... “Where can you see Northern Lights?” visitnor... “How are Northern Lights formed?” nasa.gov, 6... |  | |
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