NASAのインスタグラム(nasagoddard) - 5月7日 01時00分

This zoom assembles the largest and most comprehensive "history book" of galaxies into one single sweep, including 16 years of observations from @NASAHubble.

The Hubble Legacy Field mosaic, created from nearly 7,500 individual exposures, provides a deep portrait of the distant universe, containing 265,000 galaxies that stretch back through 13.3 billion years of time to just 500 million years after the big bang. The faintest and farthest galaxies are just one ten-billionth the brightness of what the human eye can see. The universe's evolutionary history is also chronicled in this one sweeping zoom. The portrait shows how galaxies change over time, building themselves up to become the giant galaxies seen in the nearby universe.

This ambitious endeavor also includes observations taken by several Hubble deep-field surveys, including the eXtreme Deep Field (XDF), the deepest view of the universe. The wavelength range stretches from ultraviolet to near-infrared light, capturing the key features of galaxy assembly over time.

Credits: NASA, ESA, G. Illingworth (University of California, Santa Cruz), and G. Bacon (STScI) #nasagoddard #Hubble #HST #space #telescope #astronomy #LegacyField #galaxies

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