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长四丙火箭成功发射试验二十八号B星02星
Ke Ji Ri Bao· 2025-08-18 01:12
Core Viewpoint - The successful launch of the experimental satellite "Test 28 B Star 02" by China Aerospace Science and Technology Corporation marks a significant achievement in space exploration and technology testing [1] Group 1: Launch Details - The satellite was launched on August 17 at 16:55 from the Xichang Satellite Launch Center using the Long March 4B rocket [1] - The satellite successfully entered its designated orbit, completing the mission successfully [1] - This mission represents the 589th flight of the Long March series of launch vehicles [1] Group 2: Satellite Purpose and Capabilities - The primary purpose of the "Test 28 B Star 02" satellite is for space environment detection and related technology experiments [1] - The Long March 4B rocket is a three-stage launch vehicle using cryogenic liquid propellant, capable of launching various types of satellites into different orbits [1] - It has a payload capacity of 3 tons to a sun-synchronous orbit at an altitude of 700 kilometers [1]
发射准备就绪 天舟九号完成全区合练
news flash· 2025-07-13 07:17
Core Points - The Tianzhou-9 cargo spacecraft launch mission has completed a comprehensive rehearsal, indicating readiness for the upcoming launch [1] - This rehearsal is noted as the most comprehensive simulation for the Tianzhou-9 mission, involving the maximum number of tested systems and elements [1] - The status of the space station assembly is reported to be good, and the Shenzhou-20 astronaut crew is conducting manual remote operation training in preparation for Tianzhou-9 [1]
世界最大航空发射场,拜科努尔今年70岁
Huan Qiu Wang Zi Xun· 2025-06-29 23:46
Core Points - Baikonur Cosmodrome celebrates its 70th anniversary this year, having launched over 1,500 rockets and nearly 2,000 spacecraft into orbit over the past seven decades [1][3] - The launch site, located in southern Kazakhstan, covers approximately 7,000 square kilometers, which is equivalent to two and a half times the area of Moscow [3] - Baikonur has been the site of significant historical events, including the launch of the first artificial Earth satellite in 1957 and Yuri Gagarin's historic flight in 1961 [3] Infrastructure and Facilities - The Baikonur Cosmodrome includes 15 launch complexes, 4 intercontinental ballistic missile test launch pads, 11 assembly and testing buildings, two airports, 470 kilometers of railway, and 1,281 kilometers of highways [3] - Currently, Russia rents the launch site from Kazakhstan and continues to use it for regular launches of the Soyuz crewed spacecraft and Progress cargo spacecraft [3] Historical Significance - October 24 is marked as a "dark day" for the launch site due to tragic incidents, including a fire in 1960 that resulted in 78 fatalities [4] - Despite the gradual transfer of launch operations to the new Vostochny Cosmodrome in Russia's Far East, the Russian space agency plans to continue using Baikonur until at least the expiration of the lease in 2050 [4]
我国成功发射中星9C卫星
news flash· 2025-06-20 13:16
Core Points - China successfully launched the Zhongxing 9C satellite on June 20, 2025, at 20:37 Beijing time [1] - The launch was conducted using the Long March 3B rocket from the Xichang Satellite Launch Center [1] - The satellite successfully entered its designated orbit, marking the mission as a complete success [1]
马斯克与特朗普激烈争吵,美政府对航天严重依赖SpaceX深感不安,已急寻替代者
Huan Qiu Shi Bao· 2025-06-08 22:35
Group 1 - The core issue is the U.S. government's and NASA's urgent search for alternatives to SpaceX due to the recent conflict between President Trump and Elon Musk, which has raised concerns about the dependency on SpaceX for U.S. space missions [1][3] - Following the fallout, Trump threatened to cancel SpaceX's government contracts, while Musk responded by threatening to retire the Dragon spacecraft, indicating a volatile relationship that poses risks to NASA's operations [3] - SpaceX currently dominates U.S. space launches, having conducted 134 orbital launches last year, which is more than the total of all other companies combined, and is projected to account for 84% of the global satellite launches in 2024 [3][4] Group 2 - The U.S. government and NASA have reached out to at least three commercial space companies—Rocket Lab, Stoke Space, and Blue Origin—to assess their rocket development progress and potential launch capabilities for government missions [3] - However, these companies' launch capabilities are still in the early stages and cannot match the reliability and cost-effectiveness of SpaceX's reusable rockets, making SpaceX the only viable option for high-value military launches [4] - SpaceX's Crew Dragon spacecraft is currently the only vehicle capable of transporting astronauts to the International Space Station, filling a critical gap since the retirement of the Space Shuttle in 2011 [5]
SpaceX许可证获修改 可进行发射次数增加
news flash· 2025-05-15 23:09
Group 1 - The FAA has approved modifications to SpaceX's Starship flight license, allowing for an increase in the number of annual launches from 5 to a maximum of 25 at the Boca Chica facility in Texas [1]