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 mysterious unknown - space. Due to advances made by NASA and other space researchers, the pieces of the solar system puzzle are finally coming together. There are still several mysteries yet to be uncovered and perhaps there always will be. ...

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

The early Greeks considered "air" to be one of four elementary substances; along with earth, fire, and water, air was viewed as a fundamental component of the universe. By the early 1800s, however, scientists such as John Dalton recognized that the atmosphere was in fact composed of several chemically distinct gases, which he was able to separate and determine the relative amounts of within the lower atmosphere. He was easily able to discern the major components of the atmosphere: nitrogen, oxygen, and a small amount of something incombustible, later shown to be argon. The development of the ...

• Word Count: 3528
• Approx Pages: 14
• Grade Level: High School