A 3D Visualization of the James Webb Space Telescope’s Journey Back 13.4 Billion Years #SpaceSaturday
As part of the Cosmic Evolution Early Release Science Survey (CREERS), an astonishing video has been made. It is a scientific visualization that takes us on a journey past thousands of galaxies, all the way to Maisie’s Galaxy, which formed about 390 million years after the big bang, or 13.4 billion years ago. Here’s more from the Webb Space Telescope site:
The area highlighted in this visualization is a small part of the Extended Groth Strip, a region between the Ursa Major and Boötes constellations originally observed by the Hubble Space Telescope between 2004 and 2005. While this vast region contains about 100,000 galaxies, the visualization focuses on approximately 5,000 – with the nearest and more complex galaxies, shown in the beginning, located within a few billion light-years of Earth. As the visualization proceeds, showing galaxies farther away from Earth, we see different stages of the universe’s history and evolution.
The visualization’s farthest galaxy, known as Maisie’s Galaxy, is a target of great interest to astronomers. It formed about 390 million years after the big bang, or about 13.4 billion years ago. It’s not only one of the first bright, extremely distant galaxies found by Webb, but it’s also an example of an early galaxy that only Webb could see. This is because Webb’s instruments can capture the light from these early galaxies, which has been shifted to infrared wavelengths by the expansion of the universe.
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