Describe The Relationship Between Stars Temperature And Luminosities

Throughout this semester we have done multiple writings, that have covered many of the readings done in the course. We started with our Warmth of Other Suns (WOOS) paper, then our legacy interview that connected to the WOOS paper. After completing those to essays we worked on a movie review for “In America” and then our own personal migration.

Indecent bodies like the sun. Stars are made up of big exploding balls of gas, mostly hydrogen and helium. The sun is similarly a star made up of huge amounts of hydrogen, undergoing a continuous nuclear reaction like a hydrogen bomb. Stars come about when vast clouds of hydrogen, helium and dust contract and collapse due to gravity. The clouds came from astronomical plasma from “The Big Bang”, but the dust comes from the supernovae of other stars.

Isabel Wilkerson is an African American Howard University journalism graduate writer and the first black woman in the history of American Journalism to win a Pulitzer Prize. Among her notable works is the novel “The Warmth of Other Suns”. The novel The Warmth of Other Suns was about the Great Migration which occurred between the years 1915-1970 and this was the movement of approximately seven million Black people out of the Southern United States to the North, Midwest and Western states from 1916 to 1970. Blacks migrated to escape widespread racism in the South, to seek employment opportunities in industrial cities of the North, to get better education for their children, and to pursue what was widely

[27] Scientists can determine what a distant star is made of by looking at ____.

Cooler stars emit heat in the infrared area of the electromagnetic spectrum, and thus, they appear to be red. It should also be noted that hot stars radiate energy at the ultraviolet and blue areas, making them appear white or blue. The surface temperature of a celestial object can be determined by using the relationship between the wavelength of the light and the temperature of the blackbody and in the case of an increase in temperature, the tip of the spectrum becomes shorter in

The star basically blasts apart and sends iron flying. These stars are common, and so are the elements created at its core, one of them being iron. Gold is rarer, because it is created by the collision of dead stars. Each element is a pure element, with a unique number of protons. You would have to change the number of protons to change an element. You cannot do that with any

I can tell many things about the star B-Centauri by looking at this H-R diagram. First of all I can see that it has a temperature of almost 30,000 K, that means it is almost five times hotter than our sun. Next, B-Centauri's luminosity is 10, 000 Lu which means it produces ten thousand times the energy of our sun. I know that B-Centauri is a spectral type O by reading the H-R diagram. During the Vlab we found that Naos was a spectral type O. All stars that are spectral type O are blue, meaning they are the hottest type of stars. Stars of the same spectral type have the same composition. Since Naos has hydrogen, helium, and helium ions so does B-Centauri. The mass of B-Centauri is twenty times the mass of our sun. The radius of B-Centauri

I can tell many things about the star B-Centauri by looking at this H-R diagram. First of all I can see that it has a temperature of almost 30,000 K, that means it is almost five times hotter than our sun. Next, B-Centauri's luminosity is 10, 000 Lu which means it produces ten thousand times the energy of our sun. I know that B-Centauri is a spectral type O by reading the H-R diagram. During the Vlab we found that Naos was a spectral type O. All stars that are spectral type O are blue, meaning they are the hottest type of stars. Stars of the same spectral type have the same composition. Since Naos has hydrogen, helium, and helium ions so does B-Centauri. The mass of B-Centauri is twenty times the mass of our sun. The radius of B-Centauri

The first experiment was the process of plotting the HR diagram for the Pleiades cluster. This was done by using V-B apparent magnitudes and the main sequence stars. In comparison they show a similar pattern, but with a high luminosity. Although, the stars are plotted in about the same distance the stars have variations

2. List the four most common star colors (red, white, blue, and yellow) in order from coolest to hottest.

Astronomers can use the light given off by stars for many things. With the light given off by stars they can see the distance that the star is located from earth. They can also use the light given off by stars to see what that star is composed of. When something is burnt to the point that it glows, for example stars, it shows features that can help you decide what the star is made up of. This is because unique chemicals give off its own unique spectrum of light when they are burnt to the point that they glow. Each product gives off a different spectrum, this can be compared to be almost like a fingerprint. Cool gases will also absorb various wavelengths of light and produce a spectrum that has dark lines at different places. With this in effect,

There are many ways to identify unknown elements, such as the methods used in this lab like density, conductivity and reactivity. However, there are many different types, one of which is mass spectrometry and another is x-ray spectroscopy.

To answer the question “What is the chemical difference between a star and a planet?” A big difference between stars and planets is mass and size. Stars are massive balls of gas with pressure inside them that causes a nuclear reaction, which makes them bright and hot. A object would have to have 80 times the mass of Jupiter to have the nuclear reaction in its core. Making planet's not big enough to be a star. Although there is a huge difference in size and mass, many stars and planets are similar. Many planets are rocky and metallic like Earth and Mars, but some planets are mostly made up of gas, like a star. Both gas planets and stars are largely made up of hydrogen and helium.

The star I chose was Vega. From looking at the H-R diagram Vega's spectral type is A, It was a little to the left of A. A is an average temperature right in the middle H-R diagram basically. Which means the temperature is close to 9000k, Vega's temperature is 9546 kelvin which is 3722 kelvin more than our sun. Next Vega has mainly calcium and hydrogen nothing else that's it. The color of the star is white, Vega was in the middle of being blue or white kinda mixed from looking at the H-R diagram. Next the mass of the star Vega is 3m, and the radius of Vega is 1 solar radius. Vega is a main sequence star that means it still is young and that it still has hydrogen to fuse into helium and it's still got time till it go's out. The most interesting

The spectra of stars have revolutionized our knowledge but there were issues in getting the information that we needed. The earths atmosphere was the biggest issue that was encountered. As light comes through our atmosphere the wavelengths at the shorter end of the spectrum like blue and violet are more easily scattered than longer wavelengths like red, orange, and yellow that are more difficult to scatter. This means that we detect more light that is toward the yellow end of the spectrum rather than the true colors that were actually emitted. To fix the problem we would have to remove the atmosphere. That was not an actual option for scientists, so they had to send telescopes up into space. Once scientists were able to launch the equipment they needed into space they were able to receive the actual spectral patterns for stars. They gathered data in the form