Hubble got the ideal spiral galaxy in the constellation of the Lion

Katie Ramirez
May 6, 2019

Astronomers have garnered a mosaic of nearly 7,500 images captured of faraway universe generating the most massive and complete history book of galaxies ever engendered.

Astronomers have assembled a mosaic of almost 7,500 images taken of the distant universe, creating the largest and most comprehensive "history book" of galaxies ever made. The image contains 200,000 galaxies that stretch back through 13.3 billion years of time to just 500 million years after the Big Bang. So, the contemporary montage could be utilized to better comprehend the evolution of the universe the astronomers elucidated. "Such exquisite high-resolution measurements of the numerous galaxies in thie catalog enable a wide swath of extragalactic study", said catalog lead researcher Katherine Whitaker of the University of CT. Frequently these types of surveys have engendered unexpected findings which have had a profound influence on our comprehension of galaxy evolution.

The image covers a stretch of sky about the size of the full moon seen here on Earth and was created from 7,500 individual exposures. The mosaic of images seen here document 16 years of observations for the NASA/ESA Hubble Space Telescope.

In the case of the Hubble Ultra Deep Field, the image captured 10,000 galaxies.

Researchers estimate the image includes 265,000 galaxies, some of which appear as they existed 13.3 billion years ago.

The Hubble Telescope remains one of mankind's most powerful tools for exploring the universe, even 29 years into its mission.

The Hubble Space Telescope is one of the most powerful long-term observatories in the entire world, focusing nearly entirely on areas in deep outer space.

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NASA has spent more time trained on this small area than on any other region of the sky, totalling more than 250 days.

The HLF image contains 100 times as many galaxies as the previous deep field surveys - in part because it takes in a wider view.

Studying the oldest galaxies allows astronomers to follow the expansion of the universe as well as the underlying chemical and physical changes that led to life on Earth.

The Legacy Field has a wider view of the galaxies far, far away than any other previous Hubble efforts and the astronomers are already working on a second set of images that will combine 5,200 exposures from another area. "This will really set the stage for NASA's planned Wide Field Infrared Survey Telescope (WFIRST)", Illingworth said. Hubble's surveys of disc galaxies aim to explore the relationship between these black holes and their local galaxies.

In addition, NASA's upcoming James Webb Space Telescope will allow astronomers to push much deeper into the legacy field to reveal how the infant galaxies actually grew.

The spiral galaxy is the most iconic resident of the universe.

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