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    Entry 9 of 23
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    May. 3, 2009 - The ancient history of exploration
    Although the ancient times, cell phone from the very old people knew the Milky Way. But the real understanding of the Milky Way from the start. Or 1750, the British astronomer shaun Wright (Thomas) that the galaxy is flat. This year, the German philosopher immanuel Kant proposed between stars and galaxies may form a huge bodies system, Then the German mathematician lang (Lambert Johann heinrich) also puts forward a similar assumptions. 1785 to British astronomer William HeXieEr drew the Milky Way, and that the solar system flat form is located in the center of the galaxy.

    In 1918, American astronomer ShaPu Harlow (Shapley) mobile phone after four years of observation, puts forward the solar system should be located in the Milky Way. In 1926, Swedish astronomer Lin to Bertil Lindblad (brad analysis in the galaxy rotates.

    Modern research. (2)

    The middle of the 18th century, people have realized, except planets outside the solar system, the moon, Wholesale mobile phone such objects are distant stars "sun". Shaun wright-phillips, the first think thought-fueled lang Bert, is probably all stars set into a huge system of limited space.

    The first through the observation of the star system is studied HeXieEr F.W. nature. wholesale cell phone He polished his reflection of several days counting telescopes, the area. 1785, based on his star count statistical studies, draw a picture flat and smooth, outline, the sun in the center of its ragged the Milky Way. He 50 centimeters and 120 cm in diameter telescope, found throughout the skill increases overtime, telescope observations, but also increases dark star still see galactic rim. HeXieEr F.W. realized, the Milky Way
    Solar exploration

    Initial estimates than he is. After the death of HeXieEr F.W. HeXieEr J.F., in his father's footsteps, star count work expanded south along. cell phone accessories In the middle of the nineteenth century, the determination of the stars, start and round-the-clock map. In 1906, Mr Karp, in order to further study the structure, the stars "choose" star, who called "plan" Mr Karp jotham constituency. In 1922, wholesale cellphone accessories he concluded HeXieEr F.W. with similar model, is also a flat system, the sun, the stars center, edge center. ShaPu in totally different basis, this paper discusses the size and shape of the Milky Way. He used the 1908 - in 1912, the Magellanic clouds, cheap cell phone victor found ZhouGuang relationship of cepheid variable stars, then have been discovered cepheid variable stars globulars distance. Assuming that no obvious interstellar extinction, under the premise of 1918, fractal model is established, the galaxy lens is not centered. Until the 1920s, the model has been ShaPu astronomy. cheap mobile phone Because the interstellar extinction effect, into the Milky Way too ShaPu profit estimates. To 1930, trump, after that, the existing interstellar get a deviation.

    Galaxy in about 90% material within the stars. In 1905, Hector Bates PuLong stars have found the dwarf stars and. In 1913, Hector luo chart, according to the spectral after the advent of two parameters, and that in the outside, Digital Picture Frame still ChaoJuXing, stars, star, the dwarf and dwarf five branches. In 1944, the bud of observation, through the fairy galaxies marshaling stars can be divided into stars Ⅰ family clan Ⅱ and two different kinds of stars. Star Ⅰ clan is young and rich metallic objects, distribution, and arms on a interstellar material. digital camera Star Ⅱ clan is old and poor metal objects, no way to face the agglomeration of silver. In 1957, according to the metal content, age, space points and movement and two stars race for Ⅰ clan, intermediary star arms (star), Ⅰ extreme star clan, clan intermediary dish star Ⅱ and faint stars star group (group). Ⅱ extreme star,

    Double star, swarms and clouds is the universal phenomena. In the near the sun, with 25 seconds gap exists within the stars than single heavenly body half of the total. cheap digital camera This effect has been observed globulars 132, galactic clusters, as well as several more than 1,000 many star. According to the statistical inference, there shall be a galaxy clusters and 18,000 500 globular clusters. At the beginning of the 20th century, wholesale digital camera barnardo's photographic observation, found in a bright nebula and dark cloud. In 1904, the stars in the spectrum of ionization calcium spectral lines, reveals that the existence of interstellar material. Then the spectral and polarization of the nebula, digital camcorder certificate recognized dust and gas composition. In recent years, through after infrared bands in the dark cloud detection found there are forming of concentration. After the birth of radio astronomy, use neutral hydrogen 21 per cent meters spectral lines delineate the Milky Way spiral structure. sony camera battery According to the ionization hydrogen, found near the sun has three arms: horses and the arm, Orion arm; celestial arm, The sun is the inside of the hunter arm. In addition, in the direction of silver heart finds a three seconds gap arm. camera accessories The distance between the arms about 1.6 million seconds. In 1963, using radio astronomy method observed interstellar molecular, since the 1937 - in 1941, tv mobile phone in optical wavelength certificate recognized interstellar molecular CH, CN and CH since + heavy big breakthrough. In 1979, found that has more than 50 interstellar molecular.


    Solar exploration cell phone watch

    The origin of the Milky Way is a major issue at the understanding very badly. This not only to study the origin and evolution of galaxies, still must study cosmology. According to the big bang cosmology hypothesis, we observed all galaxies are 1010 years ago because of high density occurs normal raw material, the gravitational instability and is expanding, quad band cellphone and gradually form the galaxy, the Milky Way, and evolution for including the cluster. And steady state space model hypothesis, the galaxy is high in the galaxy formation of continuous area.

    Galaxy evolution in recent years has some research achievements. tri band cellphones On the old star space near the movement in the original data show that the process of collapse galactic cloud, first is dizzy star, they are more than 100 years of age, double sims phone chemical composition is hydrogen, helium approximately 73 about 27%. Most of the gas and material concentration, camera tripod and then for the silver plate. Star formation plate In recent years, also from star formation and evolution, the change of the elements of silver, its nuclear activities in the evolution of the whole Milky Way perspectives, etc. canon camera battery In the 1960s developed the theory of density waves, well illustrates the overall structure of the galaxy vortex structures and maintain long-term mechanism.


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