PRESENTATION OUTLINE
What are Northern Lights?
The Northern Lights are a beauty of nature, and they are colorful lights.
Who is interested in the Northern Lights?
How does pollution effect the northern lights?
People think that the pollution from the northern light affects people directly, but actually it only affects the air.
How are the Northern Lights generated?
The northern lights are generated by the solar flare from the sun.
What is the official color of the Northern Lights?
The Northern Lights are green,but can sometimes turn pink or white near the edges. They sometimes can be a mixture of green,yellow or blue,green color.
When will the Northern Lights disappear?
Statistics say that the northern lights are becoming rare every eleven years. It happens because when the sun rotates, it interacts with the northern lights.
How do Northern Lights attract tourists?
The northern lights are appreciated just like the CN Tower. They are appreciated because it is a landmark.
How long will the Northern Lights last?
Nobody knows how long the Northern lights last its unknown.
What is the best time to look at the Northern Lights?
The best time to look at the northern lights is October and early November.
Who discovered the Northern Lights?
"In 1621, a French scientist, Pierre Gassendi, saw the lights in the north and named after the Roman goddess of dawn, Aurora. He added the word "borealis" for the Roman god of the north wind, Boreas. In the southern hemisphere, they are called aurora australis, meaning "southern."
Link
http://news.discovery.com/space/history-of-space/aurora-northern-lights-spa...
BY: Sukhmeet, Taran, Arvind and harry
