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欧空局首发太阳南极高清图像
Ke Ji Ri Bao· 2025-06-15 02:02
Core Insights - The European Space Agency (ESA) has released the first high-definition images of the Sun's south pole, marking a significant achievement in solar observation [1] - The Solar Orbiter spacecraft, launched in February 2020, has successfully captured these images by increasing its orbital inclination through multiple gravity assists from Venus [1][2] - The current solar activity cycle is at its peak, with the south pole's magnetic field about to reverse, providing new insights into solar wind and space weather [2] Group 1 - The images reveal the Sun's atmosphere shining brightly, with localized temperatures reaching up to one million degrees Celsius, while darker gas clouds, although cooler, still exceed 100,000 degrees Celsius [2] - The Solar Orbiter is equipped with 10 scientific instruments, three of which collaborated to capture the diverse solar data presented in the images [2] - ESA anticipates that the data collected will enhance understanding of solar wind, space weather, and solar activity cycles over the coming years [2] Group 2 - The Solar Orbiter will continue to gather data, with a complete observation set expected by October, including full coverage of the solar poles [2] - Future gravitational assists from Venus will increase the spacecraft's orbital inclination to 24 degrees, ultimately reaching 33 degrees by 2029 for ongoing monitoring of the solar poles [2]
人类首次看到太阳南极
Huan Qiu Wang Zi Xun· 2025-06-13 02:41
Core Insights - The European Space Agency and NASA's "Solar Orbiter" mission has successfully entered an inclined orbit, allowing for the first-ever images of the Sun's south pole, marking a significant milestone in solar observation [1] - The spacecraft, launched in 2020, has adjusted its orbital inclination to 17 degrees below the ecliptic plane, enabling the capture of previously unseen solar polar images [1] - The initial images taken in March will aid scientists in improving predictions of solar activity, which follows an approximately 11-year cycle [1] Group 1 - The "Solar Orbiter" has captured rare images of the Sun's south pole, which are crucial for understanding solar activity [1] - The spacecraft's measurements of the magnetic field and high-energy radiation at the Sun's south pole have been released, contributing to a better understanding of solar dynamics [1] - The data collected will enhance the ability to forecast space weather, particularly from the challenging-to-observe polar regions of the Sun [1] Group 2 - The mission is expected to further increase its orbital height, providing clearer views of the solar poles in the future [1] - The solar activity minimum is anticipated to occur in 3 to 4 years, making the understanding of polar magnetic field structures critical for space weather forecasting [1] - The "Solar Orbiter" has also captured images of the Sun's north pole, with data still being transmitted back to Earth [2]