Dark energy

Is it possible for a star to burn cold? The answer is not as simple as you may think; while all sars burn hot, there are some cold enough to touch (if you survive the vacuum of space). In 2011, NASA’s satellite WISE discovered six Y-Dwarf stars burning as cold as ice, not even forty light years away from our own sun. This type of star is often referred to as a Brown Dwarf, or a failed star. There are three types of Brown Dwarfs; L-Dwarf, T-Dwarf, and Y-Dwarf, the Y-Dwarf being the coldest.…

Identify two components of fitness for which you were strongest (indicate the component of fitness, the related fitness test and your score for each test). For each of the two fitness tests you mentioned, what was one physical sign that you were pushing yourself? (i.e. my triceps burned during the push-ups test) The two components of fitness that was my strongest fitness component were Power and Flexibility. During the fitness test my fitness component for Power, I scored a total of 1.27 cm in…

Hard work consists of a great deal of effort. Having a good work ethic means that you are better prepared and this will in result lead you to success. A bad work ethic will most of time lead to failure, but some people still seem to come out on top. A hard work ethic is needed in order to achieve a goal. A good work ethic will require you to put in a great deal of time and effort into something that may be painful or boring at the current time, but it will all pay off in the end. A bad work…

During high endurance training the body will eventually undergo dehydration and will result in the performance of the athlete to decline. Dehydration occurs when the amount of fluid loss exceeds the amount of fluid intake. For athletes, dehydration leaves them at a weaken state; therefore, their performance would decline as they are weakened. When an athlete believes he is dehydrated he may go and drink some fluids, however what he may not realize is that he may make “a mismatch between fluid…

user-wheelchair system. Despite major improvements in technology, propulsion technique is still not very well understood. It can stated, however, that three basic qualities of the user-wheelchair system determine the performance: the user, who produces the energy for propulsion, the vehicle mechanics of the wheelchair, which determine power requirements to move forward or backward, and the wheelchair-user interaction, which determines the efficiency of the power or force transfer from the user…

The insipid afternoon faded into a dark, starless night. The occasional chirping of unknown insects outside my window only broke the eeriness of nightfall. I found myself sitting at the dinner table, eating a plateful of traditional Indian food. The smell of exotic spices permeated throughout…

significant within our modern society (History of Nuclear Energy). Nuclear fusion led to the findings of nuclear energy used today to power our electricity. The state with the most amount of nuclear energy used is within the Mississippi and the large production of nuclear energy within Mississippi is very harmful towards the surroundings and the ecosystem around because it is a popular energy source that is a direct effect due more demand for energy, more nuclear waste, and a higher risk of…

An experiment was performed to analyze the effects of heat shock in yeast called Saccharomyces cerevisiae, to assess the hypothesis that yeast extracts up-regulate gene expression during heat shock the same way bacteria cells up-regulate gene expression during heat shock. In bacteria cells, heat shock causes the bacteria to up-regulate gene expression and produce more proteins. Similarly, gene expression and protein production increases in yeast during heat shock. Therefore, the experiment was…

connected to the bottom of the water bottle. With balloons on the four tin lids for traction to have the wheels move smoothly. A skewer stick poking out of the front of the water bottle to hold the rubber band at a certain degree so it can release more energy into the car. With the propeller strapped to the back of the water bottle with duct tape and a skewer stick to keep the propeller in place. The skewer stick that is connected to the propeller goes down the middle of the water bottle and is…

The Purpose of this Lab: The purpose of this lab was the help the experimenter gain a better understanding of consolations by helping the experimenter be able to identify the circumpolar constellations, understand the effects of earth’s rotation on viewing consolations, be able to use the Sky Map app, and to describe the characteristics of an astronomy photograph. Description of the Materials: Within this lab, the experimenter uses the Sky Map or SkyView in order help label and identify various…