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The developers claimed that making something user-friendly was the goal rather than making it extremely complex. The map's author, Johns Hopkins professor Brice Ménard, said in a statement that astrophysicists from all around the world have been examining this data for years and have produced thousands of scientific articles and discoveries as a result. But no one had the time to produce a map that is attractive, factually correct, and understandable to non-scientists. To demonstrate to everyone how the universe actually seems is our aim here.
The map is based on information from the Sloan Digital Sky Survey, a mission to use a telescope at Apache Point Observatory in New Mexico to map the universe in three dimensions. Data from the survey, which has been in operation in various guises since 2000, has been used to investigate a wide range of topics, including the properties of stars in the Milky Way, the distribution of galaxies in the cosmos, and the possible location of dark matter.
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The image, which depicts 200,000 galaxies as tiny dots, was created using information from the survey that examined a specific region of the sky. The Milky Way is represented by a dot at the very bottom of the map.
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"In this map, we are merely a pixel at the bottom, a speck. Us refers to our galaxy, the Milky Way, which has billions of stars and planets, when I say "we," Ménard remarked. We are accustomed to viewing astronomical images of a single galaxy here, a single galaxy there, or even a collection of galaxies. However, the size depicted on this map is drastically different.
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The map not only shows the size of the observable universe but also the redshift of various galaxies, with more distant galaxies appearing redder as the universe's expansion stretches the spectrum of light coming from them.
"Astronomy photos, stars, nebulae, and galaxies were a huge source of inspiration for me growing up, and now it's our turn to produce a new kind of picture to inspire people," said Ménard.
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