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Ruins of an ancient fortress wall found in Antarctica
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By European Space Agency
Image: The icy landscape of Ross Island in Antarctica is featured in this Copernicus Sentinel-2 image from 3 February 2024, during the austral summer. View the full article
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By Space Force
Six pioneers in American space and missile development were honored in a ceremony hosted by Space Systems Command recognizing achievements in astronautics that resonate in today’s contested space environment.
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By European Space Agency
An international team of astronomers has used the NASA/ESA/CSA James Webb Space Telescope to detect the first brown dwarf candidates outside the Milky Way in the star cluster NGC 602.
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By Space Force
Six pioneers in American space and missile development were honored in a ceremony hosted by Space Systems Command recognizing achievements in astronautics that resonate in today’s contested space environment.
View the full article
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By NASA
NASA/Matthew Dominick NASA astronaut Matthew Dominick captured this timelapse photo of Comet C/2023 A3 (Tsuchinshan-ATLAS) International Space Station as it orbited 272 miles above the South Pacific Ocean southeast of New Zealand just before sunrise on Sept. 28, 2024. At the time, the comet was about 44 million miles away from Earth.
Though the comet is very old, it was just discovered in 2023, when it approached the inner solar system on its highly elliptical orbit for the first time in documented human history. Beginning in mid-October 2024, Comet C/2023 A3 (Tsuchinshan-ATLAS) will become visible low in the west following sunset. If the comet’s tail is well-illuminated by sunlight, it could be visible to the unaided eye. Oct. 14-24 is the best time to observe, using binoculars or a small telescope.
The comet hails from the Oort Cloud, which scientists think is a giant spherical shell surrounding our solar system. It is like a big, thick-walled bubble made of icy pieces of space debris the sizes of mountains and sometimes larger. The Oort Cloud lies far beyond Pluto and the most distant edges of the Kuiper Belt and may contain billions, or even trillions, of objects.
Image Credit: NASA/Matthew Dominick
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