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Tianzhou 2
Tianzhou 2 () was a mission of the Tianzhou-class unmanned cargo spacecraft. The launch took place at 29 May 2021, 12:55:29 UTC. The spacecraft successfully docked with the Tiangong space station later on the same day. Mission profile Tianzhou 2 is a part of the construction of the Tiangong space station, and is the first cargo resupply mission to the already launched ''Tianhe'' core module (CCM). The spacecraft remained docked to the aft docking port of Tianhe until the concurrent manned mission Shenzhou 12 deorbited in September, after which it was moved to the forward docking port. It will then conduct propellant transfer testing with Tianhe and serve as a test unit for Tianhe's robotic arm to manipulate modules as part of space station construction. It undocked on 27 March 2022, did a 2-hour fast rendezvous on 30 March 2022 and burned up in the Earth's atmosphere as planned on re-entry on 31 March 2022. During its time in space, Tianzhou 2 conducted multiple teleop ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tianzhou 1
Tianzhou 1 () was the debut mission of the Tianzhou-class unmanned cargo spacecraft. It was developed as part of the manned space program of China. Tianzhou means "heavenly vessel" in Chinese. On 20 April 2017, Tianzhou 1 was launched by rocket Long March 7 at China Wenchang Spacecraft Launch Site. It successfully docked with the Tiangong-2 space laboratory on 22 April 2017 at 12:16 (UTC+8). Tianzhou 1 was deorbited on 22 September 2017. It plunged into Earth's atmosphere and burned up after a set of braking maneuvers under ground control. Spacecraft It used the first flight model of the Tianzhou. It is a Chinese automated cargo spacecraft developed from the Tiangong-1 to resupply its future modular space station. Launch Tianzhou 1 launched successfully on 20 April 2017 at 7:41pm local time, from the Wenchang space center. This marked the second time a Long March 7 , stages = {{plainlist, * CZ-7: Two * CZ-7A: Three {{cite web, url=https://www.space.com/c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tianhe Core Module
''Tianhe'' (), officially the ''Tianhe'' core module (), is the first module to launch of the Tiangong space station. It was launched into orbit on 29 April 2021, as the first launch of the final phase of Tiangong program, part of the China Manned Space Program ( Project 921). ''Tianhe'' follows the earlier projects Salyut, Skylab, Mir, International Space Station, Tiangong-1 and Tiangong-2 space stations. It is the first module of a third-generation Chinese modular space station. Other examples of modular station projects include the Soviet/Russian Mir and the International Space Station. Operations will be controlled from the Beijing Aerospace Flight Control Center. In 2018, a fullscale mockup of ''Tianhe'' was publicly presented at China International Aviation & Aerospace Exhibition in Zhuhai. In October 2020, China selected 18 new astronauts ahead of the space station construction to participate in the country's space station project. Functions and systems ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Solar Panels On Spacecraft
Spacecraft operating in the inner Solar System usually rely on the use of power electronics-managed photovoltaic solar panels to derive electricity from sunlight. Outside the orbit of Jupiter, solar radiation is too weak to produce sufficient power within current solar technology and spacecraft mass limitations, so radioisotope thermoelectric generators (RTGs) are instead used as a power source.NASA JPL Publication: Basics of Space Flight, Chapter 11. Typical Onboard Systems, Electrical Power Supply and Distribution Subsystems, History The first practical silicon-based solar cells were introduced by Bell Labs in April 1954. They were initially about 6% efficient, but improvements began to raise this number almost immediately. Bell had been interested in the idea as a system to provide power at remote telephone repeater stations, but the cost of the devices was far too high to be practical in this role. Aside from small experimental kits and uses, the cells remained largely unus ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tiangong-1
Tiangong-1 () was China's first prototype space station. It orbited Earth from September 2011 to April 2018, serving as both a crewed laboratory and an experimental testbed to demonstrate orbital rendezvous and docking capabilities during its two years of active operational life. Launched uncrewed aboard a Long March 2F launch vehicle on 29 September 2011, it was the first operational component of the Tiangong program, which launched a larger, modular station into orbit in 2021. Tiangong-1 was initially projected to be deorbited in 2013,"China to launch module for future space station" 28 September 2011 Retrieved 10 March 2013 to be replaced over the following decade by the larger [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Xinhua
Xinhua News Agency (English pronunciation: )J. C. Wells: Longman Pronunciation Dictionary, 3rd ed., for both British and American English, or New China News Agency, is the official state news agency of the People's Republic of China. Xinhua is a ministry-level institution subordinate to the State Council and is the highest ranking state media organ in China. Xinhua is a publisher as well as a news agency. Xinhua publishes in multiple languages and is a channel for the distribution of information related to the Chinese government and the ruling Chinese Communist Party (CCP). Its headquarters in Beijing are located close to the central government's headquarters at Zhongnanhai. Xinhua tailors its pro-Chinese government message to the nuances of each audience. Xinhua has faced criticism for spreading propaganda and disinformation and for criticizing people, groups, or movements critical of the Chinese government and its policies. History The predecessor to Xinhua was the R ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SpaceNews
''SpaceNews'' is a print and digital publication that covers business and political news in the space and satellite industry. ''SpaceNews'' provides news, commentary and analysis to an audience of government officials, politicians and executives within the space industry. ''SpaceNews'' details topics in civil, military and space and the satellite communications business. ''SpaceNews'' covers important news in North America, Europe, Asia, Africa, the Middle East and South America from NASA, the European Space Agency, and private spaceflight firms such as Arianespace, International Launch Services, SpaceX and United Launch Alliance. The magazine regularly features profiles on relevant and important figures within the space industry. These profiles have featured numerous government leaders, corporate executives and other knowledgeable space experts, including NASA administrators Richard Truly, Daniel Goldin, Sean O’Keefe, Michael Griffin and Charles Boldin. Founded in 1989, '' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spacecraft
A spacecraft is a vehicle or machine designed to fly in outer space. A type of artificial satellite, spacecraft are used for a variety of purposes, including communications, Earth observation, meteorology, navigation, space colonization, planetary exploration, and transportation of humans and cargo. All spacecraft except single-stage-to-orbit vehicles cannot get into space on their own, and require a launch vehicle (carrier rocket). On a sub-orbital spaceflight, a space vehicle enters space and then returns to the surface without having gained sufficient energy or velocity to make a full Earth orbit. For orbital spaceflights, spacecraft enter closed orbits around the Earth or around other celestial bodies. Spacecraft used for human spaceflight carry people on board as crew or passengers from start or on orbit (space stations) only, whereas those used for robotic space missions operate either autonomously or telerobotically. Robotic spacecraft used to support scientific re ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tianzhou 3
Tianzhou 3 () was a mission of the Tianzhou-class uncrewed cargo spacecraft, launched on 20 September 2021, at 07:10:11 UTC. Like previous Tianzhou missions, the spacecraft was launched from Wenchang Satellite Launch Center in Hainan, China on a Long March 7 launch vehicle. Tianzhou 3 was the second cargo resupply mission to the Tianhe core module (TCM) of the under-construction Tiangong space station, carrying over six tons of supplies. The spacecraft successfully docked at the TCM's aft port seven hours after launch at 14:08 UTC. On 20 April 2022, Tianzhou 3 successfully relocated itself from Tianhe's aft port to the forward port to make the aft port available for docking by Tianzhou 4. On 17 July it was undocked for deorbiting, making way for the installation of the Wentian module ''Wentian'' (), officially the ''Wentian'' laboratory cabin module (), is a major module of the Tiangong space station. It is the first Laboratory Cabin Module launched, and the first mod ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shenzhou 12
Shenzhou 12 (, see § Etymology) was a Chinese spaceflight launched on 17 June 2021. The flight marked the seventh crewed Chinese spaceflight and the twelfth flight of the Shenzhou program. The spacecraft carried three members of the People's Liberation Army Astronaut Corps (PLAAC) on the first flight to the ''Tianhe'' core module, the first module of the Tiangong space station. This was the first Chinese manned spaceflight since Shenzhou 11 in 2016. Shenzhou 12 successfully undocked from the Tianhe core module on 16 September 2021 and subsequently performed a radial rendezvous test with the Tianhe core module, which was completed on the same day. The reentry module returned to Earth on 17 September 2021. At 92 days, the mission set a new national human spaceflight duration record, surpassing Shenzhou 11's 33 days. Background Shenzhou 12 was originally planned as the second visiting mission for the experimental Tiangong-2 space station, following Shenzhou 11. In 2016, pla ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tiangong Program
The Tiangong program () is China's space program to create a modular space station, comparable to Mir. This program is independent and unconnected to any other international space-active countries. The program is part of the China Manned Space Program that began in 1992. The core module, the '' Tianhe'' ("Harmony of the Heavens") was finally launched on 29 April 2021 marking the start of the Tiangong Space program deployment. China launched its first space laboratory, Tiangong-1, on 29 September 2011. Following Tiangong-1, a more advanced space laboratory complete with cargo spacecraft, dubbed Tiangong-2, was launched on 15 September 2016. The first module of the 12 part new series of Tiangong space station launched on 29 April 2021. The project will culminate with the Tiangong space station, which consist of a 22.6-ton core module and cargo transport craft, with two more major research modules to be launched in 2022. It supports three astronauts for long-term habitation. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Low Earth Orbit
A low Earth orbit (LEO) is an orbit around Earth with a period of 128 minutes or less (making at least 11.25 orbits per day) and an eccentricity less than 0.25. Most of the artificial objects in outer space are in LEO, with an altitude never more than about one-third of the radius of Earth. The term ''LEO region'' is also used for the area of space below an altitude of (about one-third of Earth's radius). Objects in orbits that pass through this zone, even if they have an apogee further out or are sub-orbital, are carefully tracked since they present a collision risk to the many LEO satellites. All crewed space stations to date have been within LEO. From 1968 to 1972, the Apollo program's lunar missions sent humans beyond LEO. Since the end of the Apollo program, no human spaceflights have been beyond LEO. Defining characteristics A wide variety of sources define LEO in terms of altitude. The altitude of an object in an elliptic orbit can vary significantly along the orbit. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
