Interstellar medium

Blake Smith Mr. Engstrom Physics May 8, 2017 Eta Carinae The Eta Carinae, previously known as Eta Argus, has a luminosity five million times greater than the suns. The Eta Carinae has two stars and for examples we will name them η Car 1 and η Car 2. η Car 1 has a mass of about ~100 to 200 solar masses, which equals about 1.99 × 1030 in kilograms. η Car 1 also has a 60 to 800 solar radius, which is 6.957 00 × 108 meters. η Car 1 has a 5,000,000 Luminosity. η Car 1 has a temperature of 9,400 to 35,200 Kelvins, which in Fahrenheit is Kelvin multiplied by 9/5 minus 459.67. η Car 1 is less than 3 Million Light Years old. The other star, η Car 2, has about a solar mass of 30 to 80. η Car 2 has a solar radius of 14.3 to 23.6. η Car 2 has less than 1,000,000 Luminosity. η Car 2 has a temperature of 37,200 Kelvins. η Car 2 has the same age as η Car 1 which is less than 3. The orbit of the two stars is the primary η Car A and the companion η Car B. The Period of the two stars is 2,022.7±1.3 days which is approximately 5.54 years. The semi-major axis of Eta Carinae is 15.4 AU. The eccentricity of Eta Carinae is 0.9. The inclination of Eta Carinae is 130 to 145. The pristine epoch of Eta Carinae is 2009.03. Eta Carinae, known as η Car and η Carinae, is located in the constellation Carina. Eta Carinae is located around 2,300 parsecs in the constellation Carina. Eta Carinae was known as a 4th-magnitude star, but in 1837 it became brighter than Rigel, Rigel is the seventh brightest…

Stars are complex and giant balls of matter that have many things to understand about. Stars are born of gas and dust and have a life cycle based on their original mass. All stars start out in their main sequence, but the first difference between the mass of stars is when they stop producing energy. The low-mass stars become giant, and the high-mass stars become super giant. For low-mass, the star then becomes a planetary nebula, then finally a white dwarf. High-mass stars become a supernova, a…

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spreads out with distance, therefore the farther away the star is the harder it may be to see. The last factor is that different colors travel at different wave lengths, depending on the temperature of the star, the main color of light sent out by the star changes. Cooler stars show redder light; hotter stars show blue or white light. Alongside the stars in space, there is a lot of other matter known as dark matter. This dark matter can include nebulae which are clouds of gases and interstellar…

Ever wanted to know more about nebulae or galaxies? A nebula is a cloud of interstellar dust, stars, and gas (usually hydrogen and helium). A nebula is less dense than a vacuum and mass less than a few kilograms although it is usually the size of the earth or bigger. A galaxy is gravitationally pulled system of stars, stellar remnants, interstellar gas, dust and dark matter. Galaxies range in size in lightyears. Galaxies, they are what holds our solar system and many, many more. We may not be…

Aaminah Azhar Astrobiology Spring 2015 Test 1 1. Name and describe five important steps in the formation of planets based on our current scientific understanding. a) Star and planet formation starts inside a collapsing cloud of gas and dust inside a bigger cloud called a nebula. Because of gravity pulling materials in the collapsing cloud closer together, the center of the cloud gets increasingly more compressed and because of this get hotter. The dense hot core of this collapsing cloud becomes…

Planetary, supernova, dark, and reflective are all types of nebulae that are formed and act differently. The elements found in the planetary nebulae and supernovas. A scientist has found that in the permitted lines of planetary nebulae there are nitrogen ions (Aller). Permitted lines are only found with a high power telescope; this shows that there are more possibilities of other elements within these clouds. The elements that are mostly know in Planetary nebulae are the common “hydrogen,…

the other hand, a little smaller than the sun providing it with an enormous life span of over 13 billion years.” Explained Dr Keller, who is the first author of a paper published in the journal nature.” stated by SM0313 oldest known star published by Editors. When Dr Keller and his colleagues went to do some research on this star they found that the contents of SM0313 has at least 10 million times as less iron of that of the sun. Which means that this star is truly a second generation star. I…

As people decided to sending human into deep space to explore unknown feature of the universe, the environment outside the earth is a big uncertainty with factors that we can’t fully understand yet. Besides the cost and the time we spend during long space travel, stay in the cold, vacuum universe would let astronauts experience different kind of radiation. These radiation may be some ionized particles as electromagnetic waves traveling with high speed and energy. They could come from nearby…

the outer shell starts fusing. The star starts to expand and becomes a giant red ball. The red giant ball is heated so much that it starts fusing gas. When the gas is also used up, the star becomes unstable. This is when the outer layer of the star is ejected leaving behind the core which is known as dwarf. It emits radiations these radiation ionize the gas atoms present in the surrounding. the supernova remnant. Enormously big stars eventually explode shooting out matter in every possible…