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| Name | Ultra Deep Field: Looking Out into Space, Looking Back into Time |
| Video Uploader | Video From Hubble Space Telescope |
| Upload Date | This Video Uploaded At 11-01-2021 06:54:18 |
| Video Discription | This six-minute visual exploration of the Hubble Ultra Deep Field showcases the characteristics and contents of this landmark observation, as well as its four-dimensional nature across both space and time. In particular, galaxies are seen to more than 12 billion light-years away / 12 billion years ago, allowing astronomers to trace the development of galaxies across cosmic time. A deep field is a long exposure on a small field of view to observe the faintest objects possible. The Ultra Deep Field (UDF) represents the deepest visible light observation of the universe (deeper views are extensions / subsets of this 2004 image). Containing about 10,000 sources, the UDF provides a statistical sample of galaxies across the universe. In this sequence, the three-dimensional model of the UDF data set uses NASA and other images and source catalogs. More than 5000 galaxies with cross-matched image cutout and distance measure are placed in their correct relative position throughout the long thin pyramid of the observation. To keep the fly-throughs succinct, the depth of the pyramid is shortened by a factor of a few hundred. The visualization encompasses a suite of UDF science points in a single camera shot journey. Zooms, fades, fly-throughs, and overlay graphics visually express and highlight aspects such as the field of view, long exposure time, variety of galaxies, and extent across the observable universe. The critical idea that "looking farther out into space is also looking farther back in time" leads to examples, drawn directly from the data, of galaxy structure changing and growing over time. The Ultra Deep Field and other deep field studies help astronomers study the distribution, characteristics, and development of galaxies across space and time. Visualization: Frank Summers, Alyssa Pagan, Leah Hustak, Greg Bacon, Zolt Levay, Lisa Frattare (STScI) Data: Anton Koekemoer, Bahram Mobasher, and HUDF Team Music: "Autumn: Meditativo" by Dee Yan-Key CC BY-NC-SA 4.0 This presentation is based on work performed as part of the NASA’s Universe of Learning project and is supported by NASA under cooperative agreement award number NNX16AC65A. The NASA's Universe of Learning (NASA’s UoL) project creates and delivers science-driven, audience-driven resources and experiences designed to engage and immerse learners of all ages and backgrounds in exploring the universe for themselves. The competitively-selected project represents a unique partnership between the Space Telescope Science Institute, Caltech/IPAC, NASA Jet Propulsion Laboratory, Center for Astrophysics | Harvard & Smithsonian, and Sonoma State University, and is part of the NASA Science Mission Directorate Science Activation program. |
| Category | Science & Technology |
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