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Why is the Aurora Borealis above Greenland green?
Green is the commonest color in the Aurora Borealis as green is produced when charged particles from the sun collide with atoms of oxygen at a high level. The Aurora over Greenland would sometimes show colors of blue and red, though probably not as often.
Does Aurora borealis emit light?
Yes it does, solarly charged electrons from the sun fall towards Earth at over one million miles per hour, it takes the electrons roughly 40 hours to reach Earth. When they fall towards the magnetic poles the charged electrons collide with nitrogen and oxygen atoms in the gaseous atmosphere, the knock an atom's electron off course and when it returns to the correct orbit the atom releases a photon. Photons are light particles, so yes the aurora borealis does emit light.
When do the norther lights appear?
The Northern Lights, also known as Aurora Borealis, typically appear in the night sky in regions close to the North Pole during the winter months, from September to March. The best time to see them is during clear, dark nights away from city lights.
Has the Earth's moon's surface changed in the past three billion years?
Yes, the Earth's moon's surface has changed over the past three billion years due to impacts from asteroids and comets. These impacts have created craters, lava flows, and other geological features that modify the moon's surface over time.
What is the size of the Hercules-Corona Borealis Great Wall?
Well, my friend, the Hercules-Corona Borealis Great Wall is not something you can point at and say 'that's it.' It's not a physical wall. See, it's a collection of galaxies that are pretty far away from us in space and fill a huge chunk of the sky. One could say its size is just as endless and vast as your imagination. It's truly a sight to behold. Just beautiful.
What is the difference between a Aurora borealis and a Aurora australis?
The Aurora Borealis is in the northen hemisphere at the north pole. However the Aurora Australis is in the southern hemisphere at the south pole. That is the only difference in them; they are both formed in the same way. They are both polar lights. One is the Aurora Borealis, the northern lights and the Aurora Australis, the southern lights. They are on the different poles on the earth, other than that, they are the same. Borealis is near the North Pole. Australis is near the South pole. The Aurora Borealis is at the north magnetic pole: the Aurora Australis is at the south magnetic pole. That's the only difference. They are both really the same thing but are visible from different places in the world. The aurora borealis can be seen in Northern England and in Scotland sometime, normally in summer and spring. The aurora austalis can be seen from places like Australia and New Zealand. Another difference is that the aurora borealis are brighter that the aurora austalis
Do the northern lights happen in antarctica?
Aurora are generated when magnetic storms from the sun hit the earth's atmosphere and interact with it. Both polar regions experience aurora: Aurora Australis occurs in the Southern Hemisphere, and Aurora Borealis occurs in the Northern Hemisphere.
How big is the Aurora Borealis?
The Aurora Borealis doesn't have a set size or color- it is a phenomenon caused by electrons produced by the sun exciting the atoms in Earth's atmosphere. It can be as large as a huge ribbon stretching across the sky to the tiniest thread; it all depends on the sun.
What are the earths colorful bands of glowing light that are given off when solar flames hit the earths atmosphere over the magnetic north and south poles?
Aurora Borealis
Why is the Aurora Borealis above Greenland green?
Green is the commonest color in the Aurora Borealis as green is produced when charged particles from the sun collide with atoms of oxygen at a high level. The Aurora over Greenland would sometimes show colors of blue and red, though probably not as often.
How has gymnastics changed over there years?
yes it has changed over many years
Can you see the Aurora Borealis from St Petersburg Russia?
I have seen Aurora Borealis there once. But I've also seen snow in San Francisco Bay Area in summer, so go figure. Generally, it's very rare at this latitude. And mostly cloudy skies and plenty of street illumination over a vast urban area aren't going to help you to see it better.
Why have fashions changed over the years?
Because people's interest has changed over the years.
How has wave rock changed over the years?
Wave rock has changed over the years because it has changed colour
How have hats changed in shape style and material over the years?
has hats changed over the years
How have computers changed over the years?
Computers have changed in many ways over the years. Technology has advanced< and it has become more easy to do stuff!
How has the assembly line changed over the years?
it changed by... well it changed... It just changed!
