Galaxy's Glow Reveals Ultrafast Wind
Sun Dec 08 2024
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Ever wondered what's happening inside distant galaxies? Astronomers have just found something cool in a galaxy called IRAS 17020+4544. They spotted a superfast wind using the Hubble Space Telescope. This wind was moving at a whopping 23, 430 kilometers per second, which is nearly 8% the speed of light! What's even more interesting is that this wind was previously seen in X-rays, but it was slower and not as highly charged. Scientists think this fast wind is actually created by a stronger wind pushing and shocking the space around it. Isn't that fascinating?
Scientists used special tools to study this wind. They combined a high-resolution UV spectrograph with computer models to get a clear picture. They found that this fast UV wind matches part of the X-ray wind seen earlier. But the really fast and highly charged parts of the X-ray wind weren't clearly visible in the UV. This discovery shows us how powerful winds can create weaker ones, like a chain reaction in space!