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Quantum Scale Sensors used to Measure Planetary Scale Magnetic Fields
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By European Space Agency
Proba-3 is such an ambitious mission that it needs more than one single spacecraft to succeed. In order for Proba-3’s Coronagraph spacecraft observe the Sun’s faint surrounding atmosphere, the disk-bearing Occulter spacecraft must block out the fiery solar disk. This means Proba-3’s Occulter ends up facing the Sun continuously, making it a valuable platform for science in its own right.
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By NASA
NASA has selected the University of New Hampshire in Durham to build Solar Wind Plasma Sensors for the Lagrange 1 Series project, part of the National Oceanic and Atmospheric Administration’s (NOAA) Space Weather Next Program.
This cost-plus-no-fee contract is valued at approximately $24.3 million and includes the development of two sensors that will study the Sun’s constant outflow of solar wind. The data collected will support the nation’s efforts to better understand space weather around Earth and to provide warnings about impacts such as radio and GPS interruptions from solar storms.
The overall period of performance for this contract will be from Thursday, Oct. 24, and continue for a total of approximately nine years, concluding 15 months after the launch of the second instrument. The work will take place at the university’s facility in Durham, New Hampshire, and at the Johns Hopkins Applied Physics Laboratory in Laurel, Maryland. Johns Hopkins is the significant subcontractor.
Under this contract, the University of New Hampshire will be required to design, analyze, develop, fabricate, integrate, test, verify, and evaluate the sensors, support their launch, supply and maintain the instrument ground support equipment, and support post-launch mission operations at the NOAA Satellite Operations Facility in Suitland, Maryland.
The Solar Wind Plasma Sensors will measure solar wind, a supersonic flow of hot plasma from the Sun, and provide data to NOAA’s Space Weather Prediction Center, which issues forecasts, warnings and alerts that help mitigate space weather impacts. The measurements will be used to characterize coronal mass ejections, corotating interaction regions, interplanetary shocks and high-speed flows associated with coronal holes. The measurements will also include observing the bulk ion velocity, ion temperature and density and derived dynamic pressure.
NASA and NOAA oversee the development, launch, testing, and operation of all the satellites in the L1 Series project. NOAA is the program owner that provides funds and manages the program, operations, and data products and dissemination to users. NASA and commercial partners develop, build, and launch the instruments and spacecraft on behalf of NOAA.
For information about NASA and agency programs, please visit:
https://www.nasa.gov
-end-
Jeremy Eggers
Goddard Space Flight Center, Greenbelt, Md.
757-824-2958
jeremy.l.eggers@nasa.gov
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Last Updated Oct 24, 2024 EditorRob GarnerContactJeremy EggersLocationGoddard Space Flight Center Related Terms
Heliophysics Goddard Space Flight Center Heliophysics Division NOAA (National Oceanic and Atmospheric Administration) View the full article
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By European Space Agency
Video: 00:01:20 Approximately 41 000 years ago, Earth’s magnetic field briefly reversed during what is known as the Laschamp event. During this time, Earth’s magnetic field weakened significantly—dropping to a minimum of 5% of its current strength—which allowed more cosmic rays to reach Earth’s atmosphere.
Scientists at the Technical University of Denmark and the German Research Centre for Geosciences used data from ESA’s Swarm mission, along with other sources, to create a sounded visualisation of the Laschamp event. They mapped the movement of Earth’s magnetic field lines during the event and created a stereo sound version which is what you can hear in the video.
The soundscape was made using recordings of natural noises like wood creaking and rocks falling, blending them into familiar and strange, almost alien-like, sounds. The process of transforming the sounds with data is similar to composing music from a score.
Data from ESA’s Swarm constellation are being used to better understand how Earth’s magnetic field is generated. The satellites measure magnetic signals not only from the core, but also from the mantle, crust, oceans and up to the ionosphere and magnetosphere. These data are crucial for studying phenomena such as geomagnetic reversals and Earth’s internal dynamics.
The sound of Earth’s magnetic field, the first version of the magnetic field sonification produced with Swarm data, was originally played through a 32-speaker system set up in a public square in Copenhagen, with each speaker representing changes in the magnetic field at different places around the world over the past 100 000 years.
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By NASA
Learn Home Culturally Inclusive Planetary… Biological & Physical… Overview Learning Resources Science Activation Teams SME Map Opportunities More Science Activation Stories Citizen Science 2 min read
Culturally Inclusive Planetary Engagement in Colorado
In August 2024, the NASA Science Activation program’s Planetary Resources and Content Heroes (ReaCH) project held a Culturally Inclusive Planetary Engagement workshop at the Laboratory for Atmospheric and Space Physics in Boulder, Colorado for the planetary science community. These workshops are designed to enhance the ability of scientists to engage Black and Latinx youth and their families in planetary science. Workshops include discussions with local educators about evidence-based engagement strategies and experiences conducting hands-on planetary science activities, along with an opportunity to practice these approaches during an event with local partners.
Planetary scientists and engineers from Boulder, as well as scientists from Florida, Maryland, and Alaska participated. ReaCH partnered with the Boys & Girls Clubs of Metro Denver, whose staff participated in the workshop to share their perspectives. Other educators local to the Denver area also participated, along with an educational specialist from NASA@ My Library (another Science Activation program). The workshop culminated in an event at the Shopneck Boys & Girls Club in Brighton, CO; workshop participants facilitated a variety of hands-on planetary activities for approximately 120 children. Workshop participants also shared information about college pathways into science professions with teenagers at the Club.
During feedback with evaluators, workshop participants shared, “I got to have hands-on experience working with an underserved population, which I haven’t done before in a workshop. I think this is the necessary next step for me. I am tired of just learning about things. I want to DO things. This gave me the ability to do it without setting up everything myself.”
Through careful revisions to these workshops and detailed evaluation, the Planetary ReaCH project is building a replicable model that will be used to support similar workshops for other science fields. Members of the planetary and astrobiology community are invited to apply to attend future ReaCH workshops.
Planetary ReaCH is supported by NASA under cooperative agreement award number 80NSSC21M0003 and is part of NASA’s Science Activation Portfolio. Learn more about how Science Activation connects NASA science experts, real content, and experiences with community leaders to do science in ways that activate minds and promote deeper understanding of our world and beyond: https://science.nasa.gov/learn
Workshop participants experimented with activities such as this model of impact cratering. Share
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Last Updated Oct 03, 2024 Editor NASA Science Editorial Team Related Terms
Biological & Physical Sciences Opportunities For Educators to Get Involved Opportunities For Students to Get Involved Planetary Science Science Activation Explore More
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By European Space Agency
As BepiColombo sped past Mercury during its June 2023 flyby, it encountered a variety of features in the tiny planet’s magnetic field. These measurements provide a tantalising taste of the mysteries that the mission is set to investigate when it arrives in orbit around the Solar System’s innermost planet.
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