... for that is, that we listen to the radio or use its waves more often than we think. For instance cell phones work off of radio waves. Light waves are used more often than we think because with out light we wouldn't possibly be able to see color on any thing, o! r we wouldn't have photosynthesis which sunlight is used for. The term spectrum ... to transmit radio and television signals. Radio waves can send sounds at the speed of light. The range of radio waves can be less than a centimeter to tens or even hundredths of meters. Radio waves are produced by coherent motion of electrons such...

• Word Count: 1970
• Approx Pages: 8
• Has Bibliography
• Grade Level: High School

... itself to an oxygen atom. This new molecule breaks down forming an oxygen molecule and a chlorine atom and so the process starts again. The first step requires the breakdown of CFCs by UV light into a reactive chlorine atom: CFCl2 + UVCFCl + Cl (equation 4) The next step involves attack on ozone by the chlorine atom Cl + O3ClO + O2 (equation 5) Chlorine regenerated in equation 6 may ... defect ratio in electronic products. Another ozone layer pollutant is transportation aircraft that we use today for mass-transit. High-speed supersonic airplays that fly high in the stratosphere are pote...

• Word Count: 2476
• Approx Pages: 10
• Has Bibliography
• Grade Level: High School

... they give off (Foundations of Astronomy 235). They cannot be seen because of the clouds of dust that block and absorb the light being given off by them. However, what keeps a star from collapsing on itself? The answer is very simple, pressure being produced in the core of the young star. Two factors resist collapse of gas clouds according to Seeds "the speed of the hydrogen atom and ... the turbulence of the hydrogen atom"(Foundations ... of Astronomy 233). The hydrogen atoms in the core act similarly to the ball in a spray paint can the more ... ...

• Word Count: 1520
• Approx Pages: 6
• Grade Level: High School

... is just what we can see, because we can only see and look so far, due to the limitation of light. Then, inside of these galaxies we have to look at the billions of stars to look for planetary systems like our own. One of the most debated theories towards the possibility extraterrestrial life is the Drake Equation. Frank Drake created this equation at the ... complex, talk with them? We have a problem, a very big problem. Let's say we found a planetary system in our closest neighbor galaxy, Andromeda. If we sent out radio waves of communication, at the speed of light it would take roughl...

• Word Count: 1533
• Approx Pages: 6
• Has Bibliography
• Grade Level: High School

... 1, 1859. Two scientists, Richard C. Carrington and Richard Hodgson, were independently observing sunspots at the time, when they viewed a large flare in white light (4). There are typically three stages to a solar flare. First is the precursor stage, where the release of magnetic energy is triggered. Soft x-ray emission is detected in this stage. In the second or impulsive stage, protons and electrons are ... coming from space towards our planet, Galactic Cosmic Rays (GCR). GCR are not really rays but mainly energetic hydrogen ions spiraling around our Galaxy at speeds of over half the ...

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