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Biomass launched to count forest carbon
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By NASA
Christina Zeringue is the chief safety and mission assurance officer at NASA’s Stennis Space Center. She is responsible for the safety and mission success of all activities, including rocket propulsion testing and operation of the NASA Stennis federal city.NASA/Danny Nowlin Christina Zeringue remembers being 10 years old, looking to the sky through her new telescope to view the Moon and planets on Christmas night. It opened her eyes to space and inspired her journey from the backyard to NASA’s Stennis Space Center near Bay St. Louis, Mississippi.
“I became fascinated with astronomy and learning about stars and constellations, the solar system and planetary orbits, solar and lunar eclipses, and challenging myself to find stars and nebula at different distances from Earth,” Zeringue said. “I was able to do and learn so much just from my own yard.”
She became obsessed with following the development and images produced from the Hubble Space Telescope, which launched on a space shuttle that featured three main engines tested at NASA Stennis.
Zeringue desired to learn more about the universe and find a way to be part of the effort to continue exploring. The Kenner, Louisiana, native ultimately made her way to NASA Stennis following graduation from the University of New Orleans.
As the NASA Stennis chief safety and mission assurance officer, Zeringue is responsible for safety and mission success of all site activities. These include both rocket propulsion testing and operation of the NASA Stennis federal city, where NASA and more than 50 federal, state, academic, public, and private aerospace, technology, and research organizations located onsite share in operating costs while pursuing individual missions.
Christina Zeringue enjoys viewing the partial solar eclipse on Oct. 14, 2023, from Slidell, Louisiana. NASA/Danny Nowlin “I have a broad range of responsibilities, which allows me to work with many talented people, pushes me to learn and develop new skills, and keeps my work interesting every day,” Zeringue said.
Zeringue’s work has supported NASA’s Artemis campaign to return astronauts to the Moon through her contributions to RS-25 engine testing and Green Run testing of NASA’s SLS (Space Launch System) core stage ahead of the successful launch of Artemis I.
The Pearl River, Louisiana, resident often encounters engineering or safety challenges where there is not a clear answer to the solution.
“We work together to understand new problems, determine the best course of action, and create new processes and ways to handle every challenge,” she said.
In total, Zeringue has worked 28 years at NASA Stennis – 14 as a contractor and 14 with NASA.
As a contractor, Zeringue initially worked as test article engineer for the Space Shuttle Main Engine Program. She followed that by serving as the quality systems manager, responsible for the quality engineering and configuration management of various engine systems, such as the space shuttle main engine, the RS-68 engine or Delta IV vehicles, and the J-2X upper stage engine.
Zeringue transitioned to NASA in 2011, first as a facility systems safety engineer and then as chief of the operations support division within the NASA Stennis Safety and Mission Assurance Directorate.
Her proudest career moment came early when working on final inspection of a new high pressure fuel turbopump. She noted a piece of contamination lodged behind the turbine shroud, which had been missed in previous inspections. Ultimately, the part was returned for disassembly before its next flight.
“While our post-test inspections can sometimes become routine, that day still stands out to me as a way that I really knew I directly contributed to the safety of our astronauts,” she said.
From the time Zeringue first looked through her new telescope, to her role as NASA Stennis chief safety and mission assurance officer, each moment along the way has contributed to the advice Zeringue shares with anyone considering a career with NASA. “Stay curious, invest in your own development, share your expertise with others, and try something new every day,” she said.
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By European Space Agency
Just a week after its launch, ESA’s Biomass mission has reached another critical milestone on its path to delivering unprecedented insights into the world’s forests and their vital role in Earth’s carbon cycle – the satellite’s 12-metre-diameter antenna is now fully deployed.
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By European Space Agency
As the new Biomass satellite settles into life in orbit following its launch on 29 April, ESA has released its most extensive satellite-based maps of above-ground forest carbon to date. Spanning nearly two decades, the dataset offers the clearest global picture yet of how forest carbon stocks have changed over time.
Developed through ESA’s Climate Change Initiative, this new long-term record integrates data from multiple satellite missions – and will soon be further enhanced by data from the Biomass mission itself.
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By European Space Agency
Video: 00:00:00 ESA’s state-of-the-art Biomass satellite launched aboard a Vega-C rocket from Europe’s Spaceport in Kourou, French Guiana. The rocket lifted off on 29 April 2025 at 11:15 CEST (06:15 local time).
In orbit, this latest Earth Explorer mission will provide vital insights into the health and dynamics of the world’s forests, revealing how they are changing over time and, critically, enhancing our understanding of their role in the global carbon cycle. It is the first satellite to carry a fully polarimetric P-band synthetic aperture radar for interferometric imaging. Thanks to the long wavelength of P-band, around 70 cm, the radar signal can slice through the whole forest layer to measure the ‘biomass’, meaning the woody trunks, branches and stems, which is where trees store most of their carbon.
Vega-C is the evolution of the Vega family of rockets and delivers increased performance, greater payload volume and improved competitiveness.
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By European Space Agency
Video: 00:02:01 ESA’s state-of-the-art Biomass satellite has launched aboard a Vega-C rocket from Europe’s Spaceport in French Guiana. The rocket lifted off on 29 April 2025 at 11:15 CEST (06:15 local time).
In orbit, this latest Earth Explorer mission will provide vital insights into the health and dynamics of the world’s forests, revealing how they are changing over time and, critically, enhancing our understanding of their role in the global carbon cycle. It is the first satellite to carry a fully polarimetric P-band synthetic aperture radar for interferometric imaging. Thanks to the long wavelength of P-band, around 70 cm, the radar signal can slice through the whole forest layer to measure the ‘biomass’, meaning the woody trunks, branches and stems, which is where trees store most of their carbon.
Vega-C is the evolution of the Vega family of rockets and delivers increased performance, greater payload volume and improved competitiveness.
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