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formation of planets in from nebula
essays about orion nebula
orion nebula analysis
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A nebula is a space dust that appears as a hazy bright, colorful patch in the sky. The Orion Nebula goes way back from millions of years ago and is made up of mostly hydrogen, but also helium, carbon, nitrogen, and oxygen (Wiley 1). The Orion Nebula is also known as M42, Messier 42, and NGC 1976 (Ivan P. 1). Even though the Orion Nebula may have a giant black hole in the middle of it, The Orion Nebula is still the brightest nebulae because it can be seen with the naked eye during certain times of the year and has the three brightest stars in it.
The Orion Nebula is not a difficult nebulae to find. It can be seen best during the colder months of January and February (Ivan P. 1). It is one of the many more noticeable star patterns in the sky during the winter (Franknoi 1). The three stars in it's center make it easier to find than most (Franknoi 1). If you live in the Northern Hemisphere, you can find the Orion Nebula in the southwest sky between Latitudes 86 and -75 degrees (Ivan P. 1). The Orion Nebula is 1,270 light years away from the earth (Fuller 1). The Orion Nebula is also between Jupiter and the brightest star, Sirius (Fuller 1). The Orion Nebula is fourteen light-years across (Ivan P. 1). If you really want to see the Orion Nebula up close then you need to use the Hubble Space Telescope to view it (Fuller 1). Since the Orion Nebula is so easy to find, it is a useful aid in finding other stars surrounding it including Sirius, Aldebaran, and Procyon (Garza 1). The Orion Nebula was also one of the first nebulae to be photographed (Britannica 1). Henry Drapper was the photographer and took the photograph in 1880 (Britannica 1).
The Orion Nebula originated from the Greeks. Orion has always been associated with mythology (I...
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...'s Sharpest View of the Orion Nebula." Www.spacetelescope.org. NASA, 2004. Web. 27 Mar. 2014. .
Templeton, Matthew. "Trapezium, BM Orionis, and Young Stellar Objects." Www.aavos.org/vsots_bmori. N.p., 4 Apr. 2012. Web. 24 Mar. 2014. .
Than, Ker. "The Splendor of Orion: A Star Factory Unveiled." Space.com. N.p., 11 Jan. 2006. Web. 25 Mar. 2014. .
Wiley, John. "Taking a Shine to Nebulae." Www.dummies.com/how-to/content/taking-a-shine-to-nebulae.html. N.p., 2014. Web. 27 Mar. 2014. .
Zimmerman, Kim Ann. "Orion Constellation: Facts About the Hunter." Space.com. N.p., 19 July 2012. Web. 26 Mar. 2014. .
The Lagoon Nebula featured as Nasa’s astronomy picture of the day was photographed by John Nemcik using various filters to capture the light emitted by the Hydrogen, Sulfur, and Oxygen. While photographed showing beautiful vibrant, eye-catching colors, the Nebula would appear naturally appear gray to human eye due to poor color sensitivity existing at low-light levels (spacetelescope.org). The Lagoon Nebula is home to the formation of new stars, as well as several other interesting phenomena such as Bok globules, and the hourglass nebula. It is these regions of the nebula that make it a continuous area of interest and study for astronomers.
Waller, William H. The Milky Way: An Insider's Guide. Princeton, N.J: Princeton UP, 2013. 42+. Print.
One of the main types of nebulae is called a reflection nebula. The particles around stars are about the same size as the wavelength of visible light and therefore they are able to reflect the visible light being emitted from the nearby star. However, most of the time these clouds of dust have a bluish color to them and that is due to the fact that the particles are at about the same size as the blue wavelengths and it is harder for them to interact with the longer red or orange wavelengths. The best reflections nebulae come around stars that are cooler than 25000 K. Another main type of nebula is an emission nebula and this type derives its light from the UV radiation being emitted from a nearby star. The light from the starts exites atoms in the dust cloud which in turn emit light. . When describing what happens to light coming from a star there are two things that refer to it. One would be extinction and this happens when the dust cloud around the star is so dense that the light cannot pass through it and it appears as if the light just stops or makes the star appear dimmer than it really is. Another one would be reddening and this happens when the dust particles in the interstellar medium pass the longer red or orange wavelengths. This process gives the clouds a reddish color and overpowers the blues, greens , and violets.
(adopted from an article by Greg Laughlin and Fred Adams, "Celebrating the Galactic Millennium", Astronomy November 2001)
Orion, the Hunter, is perhaps the most widely recognized of all constellations. In Greek mythology, Orion was a mighty hunter who triumphed over the mightiest beasts but fell victim to the bite of a lowly scorpion. To acknowledge this, the gods placed Orion on the opposite side of the sky as the constellation Scorpio so the two would never be visible simultaneously. To the ancient Egyptians, Orion was the god Osiris, while Amazonian Indians saw Orion as a giant river turtle. This article will explore some of the stars and deep sky objects found in this fascinating constellation.
2, Alter Dinsmore, Cleminshaw H. Clarence, Philips G John. Pictorial Astronomy. United States: Sidney Feinberg, 1963.
Redd, Nola T. "Space and NASA News – Universe and Deep Space Information | Space.com." Space.com. Space.com, 08 Mar. 2013. Web. 26 Mar. 2014. .
I've decided to choose the constellation, Andromeda. I've chosen constellation because I like the sound of it's name, "The Chained Woman." I know, it sounds a little dark for a teenage boy to be saying that, but it got me thinking, "I could come up with the greatest myth in the world!" Or so I hope. It has 16 stars stationed within itself. It has a couple of galaxies around it, one such named after the constellation itself, the Andromeda Galaxy. The "Blue Snowball Nebula" is found only a little bit away from Iota Andromedae. Each November, the Andromedids meter shower can be seen emitting from the constellation.
"Leda and the Constellation Cygnus." Department of Engineering, University of Michigan. 17 February 1999 http://windows.ivv.nasa.gov/mythology/cygnus.html.
If the nebula is dense enough, certain regions of it will begin to gravitationally collapse after being disturbed. As it collapses the particles begin to move more rapidly, which on a molecular level is actually heat, and photons are emitted that drive off the remaining dust and gas. Once the cloud has collapsed enough to cause the core temperature to reach ten-million degrees Celsius, nuclear fusion starts in its core and this ball of gas and dust is now a star. It begins its life as a main sequence star and little does it know its entire life has already been predetermined.
Nebula away so that it can avoid certain things. In the short story, “The Star,” the priest stated,
The first reference to the Andromeda Galaxy was around 964 by the Persian astronomer Abd al-Rahman al-Sulfi in his Book of Fixed Stars in which he described it as like a little cloud. After this the first description of the Andromeda Galaxy through a telescope was by a German Astronomer by the name of Simon Marius on December15, 1612. After this Charles Messier catalogued the Andromeda Galaxy in M31 in the year of 1764 which made people incorrectly give credit to Messier for the discovery of this galaxy although it was visible to the naked
Sidney, Philip. "Astrophel and Stella." Online. Renascence Editions. U of Oregon P. 6 Apr. 1999. Available HTTP: darkwing.uoregon.edu.
The first path to Andromeda starts from the constellation Cassiopeia. It is always above the horizon at mid-northern latitudes, opposite the North Star, Polaris, from the Big D...
The idea behind the Solar Nebular Hypothesis is that the solar system was condensed from an enormous cloud of hydrogen, helium, and a few other elements and rocks. Around five billion years this cloud of materials began to spin and contract together into a disk shape under their own gravitational forces. The particles started combined together, protoplanets, to eventually form planets. A great mass of the material eventually began to form together, protosun, and make up the sun.