HELSINKI — Chinese space scientists have outlined a tentative roadmap for establishing a space resources utilization network stretching into the outer reaches of the solar system. Wang Wei, a scientist affiliated to CASC, China’s main space contractor, and the Chinese Academy of Sciences (CAS), is proposing a four-stage roadmap for a space resources utilization project which would, eventually, span the entire solar system by 2100. The initiative is titled Tiangong Kaiwu and takes its name from Ming Dynasty scientist Song Yingxing’s work, “The Exploitation of the Works of Nature.” It proposes developing strategic mineral resources, utilizing off-world water-ice for fuel,…