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home | newest check | boards | help index | log | ps | userlogin | send sysop | slog | status forward | bcm news | users | version | remove cookieWG3K > ANS 05.05.24 12:03l 38 Lines 3096 Bytes #18 (0) @ AMSAT BID : $ANS126.2 Subj: Chang'e-6 Successfully Launches: China's Historic Lunar Miss Path: JH4XSY<IW0QNL<IZ3LSV<DB0ERF<DK0WUE<DK0WUE<N2NOV<KA1VSC<WG3K Sent: 240505/0256Z 3921@WG3K.#SMD.MD.USA.NOAM LinBPQ6.0.24 China's Chang'e-6 mission embarked on its historic journey on May 3rd, launching aboard a Long March 5 rocket from the Wenchang Satellite Launch Center on Hainan Island, China. This mission aims to retrieve samples from the far side of the Moon, a feat n ever before achieved. The spacecraft is set to undergo a 53-day voyage to the Moon and back, where it will collect lunar soil a nd rocks, offering invaluable insights into the Moon's ancient history. The mission targets the Moon's South Pole-Aitken (SPA) basin, a region of particular interest due to its potential to unveil cr ucial information about the Moon's past. This basin, formed by an ancient impact, holds clues about the events that shaped both the Moon and Earth billions of years ago, providing an opportunity to understand the differences between the near and far side s of the Moon. [https://www.amsat.org/wordpress/wp-content/uploads/2024/05/Change-6-Spacecra...]https://www.amsat.org/wordpress/wp-content/upl oads/2024/05/Change-6-Spacecraft-in-Lunar-Orbit.jpg Rendering of Chang'e-6 Spacecraft in Lunar Orbit. [Credit: Chinese National Space Agency (CNSA)] Unlike previous lunar missions, which primarily focused on the near side, Chang'e-6 will explore the challenging terrain of the far side. Landing and communicating on this side of the Moon require sophisticated technology, including communications relay satellites. China, having achieved the first successful lunar far-side landing in 2019 with Chang'e-4, now endeavors to bring b ack samples from this uncharted territory. The Chang'e-6 spacecraft is comprised of four components: an orbiter, lander, ascender, and reentry module. Upon reaching lunar orbit, the lander and ascender will descend to the Moon's surface, collect approximately 2 kilograms (4.4 pounds) of lunar mat erial using specialized tools, and return to lunar orbit. The orbiter will then carry the samples back to Earth, releasing the reentry module into the atmosphere for a soft landing. [https://www.amsat.org/wordpress/wp-content/uploads/2024/05/Change-6-Planned-...]https://www.amsat.org/wordpress/wp-content/upl oads/2024/05/Change-6-Planned-Lunar-Landing-Site.jpg Chang'e-6 Spacecraft's Landing Site on the Moon's SPA Basin. [Credit: Chinese National Space Agency (CNSA)] During its 53-day mission, Chang'e-6 will communicate with Earth through the Queqiao-2 relay satellite, which features a large parabolic antenna. This communication link will enable scientists to monitor and control the mission's progress and ensure the safe return of valuable lunar samples. The scientific significance of Chang'e-6 extends beyond lunar exploration. The samples it retrieves will shed light on the Sola r System's tumultuous past, particularly the Late Heavy Bombardment period around 3.9 billion years ago. By studying the SPA ba sin's age and composition, scientists hope to discern the origins of this event and its implications for Earth's history and th e potential for life elsewhere in the universe. [ANS thanks Jason Davis, The Planetary Society, for the above information
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