Core Viewpoint - China plans to launch the "Xihe-2" solar probe to the Sun-Earth L5 point between 2028 and 2029, marking a significant advancement in solar observation technology [1][2] Group 1: Project Overview - The "Xihe-2" project was officially launched at a scientific seminar, following the successful deployment of the first solar probe, "Xihe-1," in October 2021 [1] - "Xihe-1" has exceeded its expected operational lifespan and is currently functioning well, paving the way for the new mission [1] Group 2: Technical Aspects - "Xihe-2" will conduct three-dimensional observations of the Sun from a new wavelength and perspective, unlike "Xihe-1," which orbits the Earth [1] - The L5 point, where "Xihe-2" will be stationed, is one of five gravitational balance points between the Earth and the Sun, allowing for stable orbit maintenance with minimal energy consumption [2] - The design lifespan of "Xihe-2" is projected to be seven years, providing a long-term observational capability [2] Group 3: Scientific Significance - With over 70 solar probes launched to date, most are located along the Sun-Earth line, making "Xihe-2" the first probe to reside at the L5 point, offering a new observational perspective for solar research [2]

Core Viewpoint - China plans to launch the "Xihe II" solar probe to the Sun-Earth L5 point between 2028 and 2029, marking a significant advancement in solar observation technology [1][2]. Group 1: Project Overview - The "Xihe II" project was officially initiated at a scientific seminar on January 31, 2023, and follows the successful launch of the first solar probe, "Xihe," in October 2021 [1]. - "Xihe II" will conduct three-dimensional observations of the Sun from a new perspective and waveband, unlike its predecessor, which orbits Earth [1]. Group 2: Technical Specifications - The "Xihe II" is designed to have a long operational lifespan of 7 years and will maintain its stable orbit at the L5 point with minimal energy consumption [2]. - It will provide precise measurements of solar magnetic fields and activities, contributing to the establishment of a comprehensive three-dimensional physical model of solar eruptions [2]. Group 3: Scientific Significance - The probe will enhance China's capabilities in space weather forecasting, allowing for earlier detection of solar activities such as solar flares and coronal mass ejections, potentially providing an advance warning of 4 to 5 days [2].

Core Viewpoint - The article discusses the launch plan for China's solar exploration satellite "Xihe-2," which is scheduled to be sent to the Sun-Earth L5 point between 2028 and 2029, marking a significant advancement in solar observation technology [1]. Group 1: Project Overview - "Xihe" is named after the mother of the sun in ancient Chinese texts, and the first satellite "Xihe-1" was successfully launched in October 2021, initiating China's solar exploration era [2]. - "Xihe-2" will provide a new perspective for solar observation, operating from the L5 point, which is different from "Xihe-1" that orbits the Earth [2][3]. Group 2: Technical Capabilities - "Xihe-2" will enable precise measurements of solar magnetic fields and activities, contributing to the establishment of a comprehensive three-dimensional physical model of solar eruptions [5]. - The satellite will enhance China's space weather forecasting capabilities, allowing for early detection of solar activities such as solar flares and coronal mass ejections, providing an advance warning of four to five days compared to Earth-based observations [5]. Group 3: Operational Advantages - Positioned at the L5 point, "Xihe-2" will maintain stable orbit with minimal energy consumption, with a designed operational lifespan of up to seven years [3]. - The satellite's unique location will offer a new observational perspective, as no other solar probes have been stationed at the L5 point, thus providing valuable data for solar research [3].

Core Viewpoint - China plans to launch the "Xihe-2" solar probe to the Sun-Earth L5 point between 2028 and 2029, marking a significant advancement in solar observation capabilities [1][3] Group 1: Project Overview - The "Xihe-2" project was officially initiated, following the successful launch of the first solar probe, "Xihe," in October 2021, which has been operational beyond its expected lifespan [1] - "Xihe-2" will conduct three-dimensional observations of the Sun from a new perspective, as it will not orbit the Earth like "Xihe" [1][3] Group 2: Technical Aspects - The L5 point is one of five gravitational balance points between the Earth and the Sun, allowing "Xihe-2" to maintain a stable orbit with minimal energy consumption, designed for a lifespan of up to 7 years [3] - The probe will enable precise measurements of solar magnetic fields and activities, contributing to the establishment of a comprehensive three-dimensional physical model of solar eruptions [3] Group 3: Scientific Significance - "Xihe-2" will provide a new observational perspective, allowing for advanced warnings of solar activities such as solar flares and coronal mass ejections, potentially giving Earth a preparation time of four to five days [3]