Discover the cosmos!♪ Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.♪

（暂无翻译） （暂无翻译）

Explanation: Explanation : What is Treble Clef?♪ This unusual radio structure extends over 2 million light-years and resembles a common musical symbol -- but has its visible light hidden by our own Milky Way Galaxy.♪ Examined in 2004, the nature of VLSS J0318.9+5755, dubbed Treble Clef, remained unknown.♪ Recent observations by the Chandra X-ray Observatory and eROSITA, however, have led to the hypothesis that the Treble Clef central cloud of charged particles was originally expelled by a supermassive black hole at the center of a galaxy.♪ After the radio emission from those particles faded, they may have been reinvigorated by a shock wave from the collision of two clusters of galaxies.♪ The featured composite image shows radio emission in red, while recently discovered X-rays are shown in blue.♪ Unusual objects like Treble Clef give humanity unexpected clues about how whole clusters of galaxies interact as well as the general evolution of our universe.Tomorrow's picture: backwards rainbow♪

（暂无翻译） （暂无翻译） （暂无翻译） （暂无翻译） （暂无翻译） （暂无翻译） （暂无翻译）