Found: First Actively Forming Galaxy as Lightweight as Young Milky Way …
2024年12月11日 · For the first time, astronomers using NASA’s James Webb Space Telescope have identified a galaxy, nicknamed the Firefly Sparkle, that not only is in the process of assembling and forming stars around 600 million years after the big bang, but also weighs about the same as our Milky Way galaxy if we could “wind back the clock” to weigh it ...
NASA's Webb Peers into the Extreme Outer Galaxy | Webb
2024年9月12日 · Astronomers have directed NASA’s James Webb Space Telescope to examine the outskirts of our Milky Way galaxy.Scientists call this region the Extreme Outer Galaxy due to its location more than 58,000 light-years away from the Galactic Center. (For comparison, Earth is approximately 26,000 light-years from the center.)
Found: First Actively Forming Galaxy as Lightweight as Young Milky Way …
2024年12月11日 · For the first time, NASA’s James Webb Space Telescope has detected and “weighed” a galaxy that not only existed around 600 million years after the big bang, but is also similar to what our Milky Way galaxy’s mass might have been at the same stage of development.
Webb Telescope Reveals Milky Way’s Ancient Twin
2024年12月17日 · Found: First Actively Forming Galaxy as Lightweight as Young Milky Way. For the first time, NASA’s James Webb Space Telescope has detected and “weighed” a distant galaxy from about 600 million years after the Big Bang. Remarkably, this galaxy appears to have a mass similar to what the Milky Way’s might have been at the same stage of ...
NASA’s Webb Reveals New Features in Heart of Milky Way
2023年11月20日 · The NIRCam (Near-Infrared Camera) instrument on NASA’s James Webb Space Telescope’s reveals a portion of the Milky Way’s dense core in a new light. An estimated 500,000 stars shine in this image of the Sagittarius C (Sgr C) region, along with some as-yet unidentified features.
NASA's Webb Reveals Distorted Galaxy Forming Cosmic Question …
2024年9月4日 · It’s 7 billion years ago, and the universe’s heyday of star formation is beginning to slow. What might our Milky Way galaxy have looked like at that time? Astronomers using NASA’s James Webb Space Telescope have found clues in the form of a cosmic question mark, the result of a rare alignment across light-years of space.
James Webb Space Telescope - NASA Science
2021年12月25日 · Found: First Actively Forming Galaxy as Lightweight as Young Milky Way. For the first time, NASA’s James Webb Space Telescope has detected and “weighed” a galaxy that not only existed around 600 million years after the big bang, but is also similar to what our Milky Way galaxy’s mass might have…
NASA’s Webb Telescope Reveals Links Between Galaxies Near …
2023年1月9日 · A new analysis of distant galaxies imaged by NASA’s James Webb Space Telescope shows that they are extremely young and share some remarkable similarities to “green peas,” a rare class of small galaxies in our cosmic backyard. ... typically only about 5,000 light-years across or about 5% the size of our Milky Way galaxy. “Peas may be ...
Webb telescope reveals new details in Milky Way’s heart | CNN
2023年11月20日 · The James Webb Space Telescope has looked into the heart of the Milky Way galaxy, unveiling new features and mysteries within the chaotic region that could help astronomers unravel more...
James Webb telescope spies stunning 'Firefly Sparkle' galaxy — …
2024年12月18日 · The James Webb Space Telescope has captured an image of a baby, Milky Way-like galaxy that formed more than 13 billion years ago. This "Firefly Sparkle" galaxy could reveal how our own galaxy evolved.