China Space Program: The purpose of building this superhighway is to facilitate 20 or more astronauts to communicate with Earth simultaneously through audio, images or video

China News: चीन के वैज्ञानिकों ने पृथ्वी और चंद्रमा के बीच नेटवर्क इंफ्रास्ट्रक्चर बनाने लिए एक रोडमैप तैयार किया है, जिससे अंतरिक्ष यात्रा आसान होने की उम्मीद है. चाइना एकेडमी ऑफ स्पेस टेक्नोलॉजी (सीएएसटी) और बीजिंग इंस्टीट्यूट ऑफ स्पेसक्राफ्ट सिस्टम इंजीनियरिंग के शोधकर्ताओं के अनुसार, तीन लूनर ग्राउंड स्टेशनों और 30 सैटेलाइट का पूरा नेटवर्क ग्लोबल यूजर्स की मॉनिटरिंग सर्विस, नेविगेशन और रियल टाइम कम्युनिकेशन प्रदान करेगा.

China News: Chinese scientists have prepared a roadmap to create a network infrastructure between the Earth and the Moon, which is expected to make space travel easier. According to researchers from the China Academy of Space Technology (CAST) and the Beijing Institute of Spacecraft System Engineering, the entire network of three lunar ground stations and 30 satellites will provide monitoring services, navigation and real-time communication to global users

इस सुपरहाइवे को बनाने का उद्देश्य 20 या अधिक अंतरिक्ष यात्रियों को ऑडियो, इमेज या वीडियो के माध्यम से एक साथ पृथ्वी के साथ संवाद करने की सुविधा प्रदान करना है.

यह नेटवर्क स्पेसक्राफ्ट के चंद्रमा और पृथ्वी के बीच यात्रा करते समय और लूनर सर्फेस पर ऑपरेशन करते समय सटीक स्थिति, नेविगेशन और समय (पीएनटी) भी उपलब्ध कराएगा.

The purpose of creating this superhighway is to facilitate 20 or more astronauts to communicate with Earth simultaneously through audio, images or video.

This network will also provide precise position, navigation and timing (PNT) as the spacecraft travels between the Moon and Earth and while performing operations on the lunar surface

Monitoring moving target
The network will monitor moving targets, called ‘cislunar space,’ in the region between Earth and the Moon, even if they are as small as one meter across, researchers wrote in the Chinese Space Science and Technology magazine in June. .

The team led by Yang Mengfei, chief designer of China’s Chang’e-5 mission, said, ‘Cislunar space has become a new field for human activities.’

The team said, ‘Space activities in this region are going to expand rapidly in the next decade, which will start a new era of global competition.’ He said, ‘Competition for resources like orbital slots and radio frequencies is already going on and it will intensify in future. There is an urgent need for China to establish a top-level road map to develop cislunar space infrastructure and take the lead in the emerging cislunar economy.

What is cislunar space?
Cislunar space is the region between the Earth and the Moon. This includes the orbits of satellites around the Earth and where the Moon’s orbit is located. The researchers said China is becoming a major player in deep space and lunar exploration and hence strategic planning is important to ‘avoid repetitive construction and optimize resource allocation’ for future missions.

The strategic plan includes exploration missions in the outer solar system, construction of an international lunar research station, and crewed lunar landings. The researchers said, ‘Although plans exist in the US, Europe and Japan, none have been implemented yet. ‘China has a unique opportunity to gain a substantial stake in the emerging cislunar space industry.’

According to a report by South China Morning Post, researchers from the China Academy of Space Technology (CAST) and the Beijing Institute of Spacecraft System Engineering plan to create a network of 30 satellites between the Earth and the Moon, in addition to three lunar stations, to provide real-time communication, navigation, and monitoring services to users across the world.

The project envisions being able to monitor and track moving targets as small as one metre in the cislunar space — the region between the Earth and Luna — in addition to enabling 20 or more travellers to simultaneously communicate with the Blue Planet via video, audio, and images. It also aims to provide accurate positioning, navigation, and timing data during lunar surface operations and Earth-moon flights.

The three-stage plan

According to a study published by the researchers in the journal Chinese Space Science and Technology, construction for said infrastructure would proceed in three stages.

First, researchers plan to put a couple of satellites in elliptical lunar orbits and build a control station on the lunar surface to enable communication with the moon’s south pole region and support China‘s future robotic and crewed moon missions.

In the second stage of the project, the satellite network would be expanded to 10 — in orbit around the moon, the Earth, and at Earth-moon Lagrange points — while a second lunar station would be built. This will enable data transmission rates of up to 5 GB per second, and improve navigation accuracy.

The final stage of the project would further expand the satellite network to 30 and see the construction of a third lunar station. The aim, at this stage, would be to achieve data transmission rates of 10 GB per second and further improve navigation accuracy for lunar surface operations and Earth-moon flights.

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