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Spitzer Finds More than 100 New Star Clusters
The new star cluster found by GLIMPSE. Image credit: NASA Click to enlarge
Astronomers have at last found inner light! Only, they didn find it through Comprar Levitra the typical Earthly methods of meditation, exercise and therapy. Instead, the light was discovered inside our Milky Way galaxy after hours of deep self reflection with NASA Spitzer Space Telescope.
The astronomers, who are members of the Galactic Legacy Infrared Mid Plane Survey Extraordinaire (GLIMPSE) Masterton Rentals team, used Spitzer heat seeking infrared eyes to gaze at the dust drenched plane of our galaxy. When they did this, the galaxy obscuring clouds of gas and dust became transparent, revealing approximately 100 new star clusters, each containing tens to hundreds of stars.
According to lead investigator Emily Mercer, a graduate student at Boston University, Mass., the new clusters will tell astronomers a great deal about the structure of the Milky Way and star formation within the galaxy.
little guys were quite hard to find, said Mercer. discovery required sophisticated computer sifting of GLIMPSE data and careful inspection of the Spitzer images. the past, our galaxy wasn so quick to give up its stellar secrets. Because we sit inside its flat, spiral disk, most of the galaxy appears as a thick blurry band of light that stretches across the sky. Many of the stars in this galactic plane cannot be detected with visible light or ultraviolet telescopes. That because the cool clouds of dust and gas that hover around the galaxy center and "Anadrol 50" make up galactic spiral arms block their starlight from our view.
Two thirds of the new star clusters were discovered through a computer method developed by Mercer and her advisor, Dr. Dan Clemens, also of Boston University. They used an algorithm to automatically sift through the GLIMPSE data for clusters. The rest were found using the traditional method of visually scrutinizing images for star clusters.
Mercer also found that there are nearly twice as many star clusters in the southern galactic plane, the portion of the galactic plane visible from the Earth southern hemisphere, as in the northern galactic plane. She suspects that this observation may help astronomers map the location of the Milky Way spiral arms.
has done a great job, says Clemens. computer method for finding clusters has proved to be the most successful automated effort to date. Clemens and Mercer are members of the multi institutional GLIMPSE team, which is led by Dr. Edward Churchwell of the University of Wisconsin, Madison. The group was selected to survey the galactic plane with Spitzer infrared array camera in November "Achat Anabolisant Belgique" 2000 as part of "Oxandrolone Powder India" Spitzer Legacy program. So far, more than 30 million stars in the inner Milky Way have already been catalogued by GLIMPSE, and the Injectable Steroids For Bodybuilding In India team expects to identify more than 50 million stars "4-chlorodehydromethyltestosterone Ireland" by the end of the project.
making the galactic plane transparent, Spitzer opens a new door for astronomers to study the Milky Way, says Churchwell. of Sustanon 250 And Deca 300 Results the most interesting science likely to come out of this project will be serendipitous discoveries, which will open up entirely new avenues of inquiry. Source: Spitzer Space Telescope