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Originally posted by Grock
there is no possible way to have a fully functioning model or even a glimpse of the milky way, because - drumroll please - we are IN the milky way.
only speculation and theory is on the table on this point.
one of the things that i have the least doubt about.
The new survey of an extensive swath of the Milky Way was done with NASA's Spitzer Space Telescope, which detects infrared light. All objects that emit any heat can be seen in infrared, and this wavelength penetrates dust, so the new mosaic includes 800,000 snapshots and more than 110 million stars.