Moon crater Tycoon revealed in intricate detail

Moon crater Tycoon revealed in intricate detail
Moon crater Tycoon revealed in intricate detail

Very long base-row antennas with a partially processed width of about five meters by five meters and about 1.4 billion pixels from the Tycho abyss captured during a radar program captured by Green Bank Laboratory, the National Laboratory for Radio Astronomy, Radeon Intelligence and Space. The film covers an area of ​​200 km (175 km), which is large enough to contain the Tycho Crater of 86 km in diameter. Credit: NRAO/GBO/Raytheon/NSF/AUI

The National Science Foundation’s Green Bank Laboratory (GBO) and the National Radio Astronomy Laboratory (NRAO), as well as Radeon Intelligence and Space (RI&S) have released a new high-resolution image of the Moon using Green Bank Telescope (GBT) technology.

Tyco Greater’s new image has a resolution of close to five meters by five meters and has nearly 1.4 billion pixels. The film covers an area of ​​200 km and 175 km, confirming that the scientists and engineers involved captured the entire cliff with a diameter of 86 km. “Radion is the largest synthetic aperture radar film we have made with the help of our allies,” said Dr. Mohamed. Tony Beasley said. (AUI). “While there is still work to be done to improve these images, we are excited to share this wonderful image with the public and look forward to sharing more images from this project in the future.”

GPT – the world’s largest fully stereo radio telescope – was equipped in late 2020 with new technology developed by Radeon Intelligence & Space and GPO, which allowed a radar signal to be sent into space. Using GBT and antennas from the Longest Core Group (VLBA), several experiments have been conducted since that time, with Tyco focusing on the crater and the lunar surface. NASA Apollo landing sites.

Green Bank Telescope in West Virginia, USA. Credit: GBO/AUI/NSF

How is this low-power radar signal translated into visual images? “This is done through a process called Synthetic Aperture Radar, or SAR,” explained Galen Watts, a GPO engineer. “As each pulse is transmitted by the GPD, it is reflected from the target, in this case the lunar surface is acquired and stored. The stored pulses are compared and analyzed with each other to create an image. Think about it, it actually provides the most important data.

This movement causes slight differences from radar pulse to pulse. These differences are tested and used to calculate an image resolution higher than is possible with standard observations, as well as to increase the accuracy of the target distance, how fast the target is moving toward the receiver, and how the target is moving in the field of view. “This radar data has not yet been recorded at this distance or accuracy,” Watts said. “This was previously done at a distance of a few hundred kilometers, but not at hundreds of thousands of kilometers from this project, and not at high resolutions of a meter or more at these distances. It would take all the computer hours. Ten or more years ago, a computer would have taken months to get an image from a receiver, and it could be from a year or more to a year or more.

These promising early results garnered support from the scientific community for the project, and at the end of September, the collaboration received US$4.5 million in funding from the National Science Foundation. 2131866). “After these designs, if we can attract full financial support, we can create a system a hundred times more powerful than the current system and use this to explore the solar system,” Beasley said. “Such a new system would open a window into the universe, allowing us to see our neighboring planets and celestial bodies in a new way.”

West Virginia has a long history of facilities that have made significant contributions to expanding our scientific knowledge of the universe. West Virginia Senator Joe Manzin III shared: “New images and details of Tycho Crater on the Moon, discovered using the Green Bank Telescope’s radar technology, show that amazing advances in science are happening in West Virginia. For more than two decades, GPT has enabled researchers to better explore and understand the universe. Through my seat on the Commerce, Justice and Science Subcommittee, I have been instrumental in developing these technological advances in GPT, which will now allow GPT to transmit radar signals into space and ensure its key role in astronomical research for many years to come. I look forward to seeing incredible images of our solar system and future discoveries, and will continue to work with the National Science Foundation to fund projects at the Green Bank Lab.

The technology is part of a collaborative research and development agreement between NRAO, GBO and RI&S. A futuristic high-powered radar system, combined with GPT celestial coverage, will capture objects in the Solar System with unprecedented detail and sensitivity. We’re expecting more stunning images this fall, as the raw processing of this raw data with billions of pixels of information is well worth the wait.

The National Radio Astronomy Laboratory and Green Bank Laboratory are facilities of the National Science Foundation that operate under a cooperative agreement with affiliated universities.

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