Japan's space startup postponed its rocket launch scheduled for Sunday due to unfavorable weather conditions, the company said.The launch window for Space One Co.'s Kairos No. 3 rocket runs through March 25, but a new launch date has not yet been set, it said. Some 700 people had gathered near the launch site, Space Port Kii in Kushimoto, Wakayama Prefecture.A successful launch of the 18-meter, 23-ton solid-fuel rocket would make Space One the first private company in Japan to send a satellite into orbit on its own.The rocket's launch was originally set for Feb. 25 but postponed due to weat…READ FULL ARTICLE