Japan launches climate change satellite on H-IIA rocket's last flight
Japan's H-IIA rocket makes its final flight on Sunday, carrying a satellite that will monitor greenhouse gas emissions. © Kyodo
TOKYO (AP) -- Japan on Sunday launched a satellite to monitor greenhouse gas emissions using its mainstay H-IIA rocket, which made its final flight before it is replaced by a new flagship designed to be more cost competitive in the global space market.
The H-IIA rocket successfully lifted off from the Tanegashima Space Center in southwestern Japan, carrying the GOSAT-GW satellite as part of Tokyo's effort to mitigate climate change. The satellite was released into orbit about 16 minutes later.
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Japan Today
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Japanese diet may help in fight against depression, study shows
File photo taken in November 2024 shows a set meal with fish roe and local fish in Shikabe, Hokkaido. (Kyodo) ==Kyodo The rate of depressive symptoms was lower among working-age people who consume a Japanese-style diet including rice, miso soup and fish, the first study of its kind recently showed. The Japan Institute for Health Security assessed the benefits of a traditional "Japanese-style diet" comprising of soy products, cooked vegetables, mushrooms, fish, seaweed, and green tea, along with a modified version that added fruit, fresh vegetables and dairy products. While there are few studies on the Japanese diet's impact on mental health, such assessments of the Mediterranean diet -- which consists of vegetables, whole grains, olive oil and fish -- and depression have previously been conducted, the institute said. "Further research is required, but we hope the evidence shown among Japanese people can be used for public health measures in workplaces and areas concerning the prevention of depression," it said in a press release. The self-reported study was conducted among 12,499 employees from five companies, of whom 88 percent were male with an average age of 42.5 years. A total of 30.9 percent of the cohort exhibited depressive symptoms, but those who followed a typical Japanese diet were found to be less likely to do so. The researchers made efforts to isolate other potential factors that could influence the results. The institute said certain foods in the diet could be linked to improved well-being. Seaweed, soy products and the folic acid in vegetables assist in releasing neurotransmitters such as serotonin and dopamine, while oily fish rich in omega-3 fatty acids has anti-inflammatory effects. © KYODO
Asahi Shimbun
a day ago
- Asahi Shimbun
Japan launches a climate change monitoring satellite on mainstay H2A rocket's last flight
Japan on Sunday successfully launched a climate change monitoring satellite on its mainstay H-2A rocket, which made its final flight before it is replaced by a new flagship model designed to be more cost competitive in the global space market. The H-2A rocket lifted off from the Tanegashima Space Center in southwestern Japan, carrying the GOSAT-GW satellite as part of Tokyo's effort to mitigate climate change. The satellite was safely separated from the rocket and released into a planned orbit about 16 minutes later. Scientists and space officials at the control room exchanged hugs and handshakes to celebrate the successful launch, which was delayed by several days due to a malfunctioning of the rocket's electrical systems. Keiji Suzuki, a Mitsubishi Heavy Industries official in charge of rocket launch operations, said he was more nervous than ever for the final mission of the rocket, which has been his career work. 'I've spent my entire life at work not to drop H-2A rocket ... All I can say is I'm so relieved." Sunday's launch marked the 50th and final flight for the H-2A, which has served as Japan's mainstay rocket to carry satellites and probes into space with a near-perfect record since its 2001 debut. After its retirement, it will be fully replaced by the H3, which is already in operation, as Japan's new main flagship. 'It is a deeply emotional moment for all of us at JAXA as a developer,' Hiroshi Yamakawa, president of the Japan Aerospace Exploration Agency, told a news conference. The GOSAT-GW, or Global Observing SATellite for Greenhouse gases and Water cycle, is a third series in the mission to monitor carbon, methane and other greenhouse gasses in the atmosphere. Within one year, it will start distributing data such as sea surface temperature and precipitation with much higher resolution to users around the world, including the U.S. National Oceanic and Atmospheric Administration, officials said. The liquid-fuel H-2A rocket with two solid-fuel sub-rockets developed by Japan Aerospace Exploration Agency has so far had 49 flights with a 98% success record, with only one failure in 2003. Mitsubishi Heavy has provided its launch operation since 2007. H-2A successfully carried into space many satellites and probes, including Japan's moon lander SLIM last year, and a popular Hayabusa2 spacecraft in 2014 to reach a distant asteroid, contributing to the country's space programs. The completion of H-2A lets him put more resources into further development of the H3, Suzuki said. Japan sees a stable, commercially competitive space transport capability as key to its space program and national security, and has been developing two new flagship rockets as successors of the H-2A series — the larger H3 with Mitsubishi, and a much smaller Epsilon system with the aerospace unit of the heavy machinery maker IHI. It hopes to cater to diverse customer needs and improve its position in the growing satellite launch market. The H3, is designed to carry larger payloads than the H-2A at about half its launch cost to be globally competitive, though officials say more cost reduction efforts are needed to achieve better price competitiveness in the global market. The H3 has made four consecutive successful flights after a failed debut attempt in 2023, when the rocket had to be destroyed with its payload.
Nikkei Asia
a day ago
- Nikkei Asia
Japan launches climate change satellite on H-IIA rocket's last flight
Japan's H-IIA rocket makes its final flight on Sunday, carrying a satellite that will monitor greenhouse gas emissions. © Kyodo TOKYO (AP) -- Japan on Sunday launched a satellite to monitor greenhouse gas emissions using its mainstay H-IIA rocket, which made its final flight before it is replaced by a new flagship designed to be more cost competitive in the global space market. The H-IIA rocket successfully lifted off from the Tanegashima Space Center in southwestern Japan, carrying the GOSAT-GW satellite as part of Tokyo's effort to mitigate climate change. The satellite was released into orbit about 16 minutes later.
