Different kinds of rainbows
By: Kimberly Napier
A rainbow is “an arch of colors formed in the sky in certain circumstances, caused by the refraction and dispersion of the sun's light by rain or other water droplets in the atmosphere” according to dictionary.com.There are many different kinds of rainbows...
By: Michael Totten
Both the sun and the earth naturally produce large amounts of radiation. The difference between solar and terrestrial radiation is that all purely terrestrial radiation comes from fission of radioactive elements, while all solar radiation comes from the fusion of hydrogen into helium. This difference...
By: Lea Miller
When you go outside on a windy winter day, the cold air seems to take your breath away and it feels even colder than the thermometer would lead you to expect. This is the physical manifestation of the phenomenon known as windchill. During the last...
By: Lea Miller
Exposure to ultraviolet radiation (UV) is a normal part of being outside in the sunshine. A certain amount of UV exposure is important to the production of vitamin D by the human body, but excess exposure can cause health disorders ranging from sunburn to skin...
By: Julie Thomas-Zucker
Everyone has a different idea of what an ideal climate is. The average person likes a climate with low humidity and sunshine every day. Others like it mixed up so that boredom does not set in. The places with the best climate for most people...
By: Roma Lightsey
Ball lightning is a phenomenon whose existence has been debated by scientists. According to some 10,000 written accounts, ball lightning appears as a glowing ball similar to a tennis ball. It tends to float near the ground and may bounce off the ground or...
How often aurora borealis occurs
By: Steven Mars
The aurora is a luminous glow that occurs in the Earth’s upper atmosphere. The diffuse aurora cannot be seen from the ground because it is faint. It is visible from the ground if it is discrete aurora. Discrete aurora can be so bright that...
Facts about snowflakes
By: Cicely Richard
English novelist J. B. Priestley wrote that “the first fall of snow is not only an event, it is a magical event.” His words epitomize the beauty of the white billowing frozen drops of water falling from the sky. Children in colder climates...
By: J. Lang Wood
The amount of snow that falls each winter can vary widely from year to year. Differences in weather patterns can cause heavier than normal or lighter than normal accumulations. Topography and the proximity of bodies of water can also have an effect on the amount...
By: Betty Mayes
Starting as a child, one begins to be in awe of the snowflake. This fascination with the snowflake sometimes carries over into adulthood. How are they formed? Where do snowflakes come from? What is the actual shape before they start melting? How cold does it...

 

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