Another unique thing about the earth is that the temperature variations are kept within a reasonable limit due to the near circular orbit of the earth around the sun. ... The tilting, combined with the earth's revolution around the sun, causes our seasons, which is essential for raising food. ... Huse in The Collapse of Evolution, "Horizontal variation (micro-evolution) operates within limits specified by DNA of the particular organism, this is used to produce many breeds" (83). An example of this would be the over two hundred varieties of dogs or the variation of humans into different r...

• Word Count: 1030
• Approx Pages: 4
• Grade Level: High School

What causes this cycle is the result of the Sun's magnetic field constantly stretching, twisting, and folding of the magnetic field lines because of the combined effects of the differential rotation and convection (1). ... (2) Solar Flares Flare is defined as a sudden, rapid, and intense variation in brightness. ...

• Word Count: 1891
• Approx Pages: 8
• Has Bibliography
• Grade Level: High School

Scientists throughout history have studied the effects of space weather. Over time, technology has advanced greatly, allowing scientists to gain a better knowledge of the workings of the solar system and thus a better knowledge of Earth. Telescopes and spacecraft have led scientists into the mysteri...

• Word Count: 4020
• Approx Pages: 16
• Has Bibliography
• Grade Level: High School