China launched Tianhe-1, the first and main module of a permanent orbiting space station calledTiangong (Heavenly Palace 天 宫),on April 29. Two additional science modules (Wentian and Mengtian) will follow in 2022 in a series of missions that will complete the station and allow it to start operations.
While the station is not China’s first – the country has alreadylaunched two– the modular design is new. It replicates the International Space Station (ISS), from whichChina was excluded.
There aremany reasons for Chinato invest in this costly and technologically challenging project. One is to conduct scientific research and make medical, environmental, and technological discoveries. But there are also other possible motivations, such ascommercial gainsand prestige.
That said, Tiangongdoes not aim to competewith the ISS. The Chinese station will be smaller and similar in design and size to the formerSoviet Mirspace station, meaning it will have limited capacity for astronauts (three versus six on ISS).
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After all, it doesn’t have as much money behind it as the ISS and there are not as many countries involved. If anything can be called the UN in space, it is the ISS, which has as collaborators former cold war enemies (US and Russia) and old friends (Japan, Canada, and Europe). Over its two decades and counting of service, the only permanent human outpost in space has hosted about 250 astronauts from 19 different countries, carrying outhundreds of spacewalksand thousands of scientific experiments.
But the ISS is coming to its natural end. It’s scheduled to be decommissioned after 2024 to leave place forthe Lunar Gateway, a small outpost that will orbit the Moon. This is an international initiative part of theUS-led Artemis Programmethat again sees China excluded.
Toward a Chinese monopoly?
Until the gateway is launched, however, Tiangong – which will be placed in lower Earthorbit and have an expected life of 15 years – will probably remain the only functioning space station. Some worry this makes it asecurity threat, arguing itsscience modules could be easily convertedfor military purposes, such as spying on countries. But it doesn’t have to be this way and, if things go as planned, it won’t be.
China may use this opportunity to win back trust and attract international collaboration. This may be particularly important given Nasa’s criticism following the recent Chineseout-of-control rocket that plunged into the Indian Ocean. There are signs the country is trying to be more open, having already declared Tiangong willbe open to host non-Chinese crews and science projects. Astronauts from Europe’s space agency, Esa, have in factbegun trainingwith Chinese “taikonauts”, and international projectshave been includedin the station’s first approved batch of selected experiments.
Tiangong might not remain alone for long either.Supported by Nasa, private corporations have started designing their own orbital modules, from Bigelow Aerospace’sinflatable habitat B330to the commercial laboratory and residential infrastructurebuilt by Axiom. EvenBlue Originhas shown interest in building a space station. The Russians seem to like the idea, too – they already have plans for aluxury space hotel.
What’s more, the already extended ISS lifespan may be further prolonged, although there aremany issuessurrounding itsend date.
The Lunar Gateway
Tiangong may not be alone for long, however, as the Lunar Gateway will be launched eventually. In its basic conception, the Lunar Gateway will serve as a science laboratory and short-term habitation module. It will then act as a hub, allowing for spacecraft and rovers to resupply during their multiple trips to the Moon. The first launch is planned as early as May 2024 withSpaceX’s Falcon Heavy rocket, taking the essential modules. It should be operational a few years later.
The Lunar Gateway. Credit: NASA
Compared to the ISS, the Gateway will be smaller and more nimble. Of the original ISS members, only four (US, Europe, Japan, and Canada) are part of the Gateway.
For now, Russiahas not joined, due tothe controversiessurrounding the Artemis program, which many countries believe is too US-centric.
This is another opportunity for China. It has already started collaborating with other countries on recent space projects. More is coming. In March 2021,it signed an agreementwith Russia’s space agency Roscosmos to build a joint Russian-Chinese research facility on the Moon. Having lost its monopoly for manned flights to the ISS due to the successful SpaceX launch in 2020, Russia seemskeen to keep its optionsopen for what concerns lunar projects.
Ultimately, space is both challenging and expensive. While it is a way for many countries to show dominance, cooperation has already proved to be more effective than lone endeavors: if anything, the ISS is the best proof of that. We know that space exploration can also defuse tensions on the ground,as it did during the cold war.
China’s taking a leading role in the new space race could have a similarly positive effect – especially if the country shows goodwill in helping address a growing security problem in low Earth orbit:how to get rid of space junk.
This article by SteffiPaladini, Reader in Economics & Global Security,Birmingham CityUniversity is republished fromThe Conversationunder a Creative Commons license. Read theoriginal article.
Story byThe Conversation
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