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The Young Professional Satellite - Dream Big, Start Small (episode 1)
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By NASA
Explore This Section Science Goddard Space Flight Center Linking Satellite Data and… Overview Learning Resources Science Activation Teams SME Map Opportunities More Science Activation Stories Citizen Science 4 min read
Linking Satellite Data and Community Knowledge to Advance Alaskan Snow Science
Seasonal snow plays a significant role in global water and energy cycles, and billions of people worldwide rely on snowmelt for water resources needs, including water supply, hydropower, agriculture, and more. Monitoring snow water equivalent (SWE) is critical for supporting these applications and for mitigating damages caused by snowmelt flooding, avalanches, and other snow-related disasters. However, our ability to measure SWE remains a challenge, particularly in northern latitudes where in situ SWE observations are sparse and satellite observations are impacted by the boreal forest and environmental conditions. Despite limited in situ SWE measurements, local residents in Arctic and sub-Arctic regions provide a vast and valuable body of place-based knowledge and observations that are essential for understanding snowpack behavior in northern regions.
As part of a joint NASA SnowEx, NASA’s Minority University Research and Education Project (MUREP) for American Indian and Alaska Native STEM (Science, Technology, Engineering, & Mathematics) Engagement (MAIANSE), and Global Learning & Observations to Benefit the Environment (GLOBE) Program partnership, a team of scientists including NASA intern Julia White (NASA Goddard Space Flight Center, University of Alaska Fairbanks), Carrie Vuyovich (NASA Goddard Space Flight Center), Alicia Joseph (NASA Goddard Space Flight Center), and Christi Buffington (University of Alaska Fairbanks, GLOBE Implementation Office) is studying snow water equivalent (SWE) across Interior Alaska. This project combines satellite-based interferometric synthetic aperture radar (InSAR) data, primarily from the Sentinel-1 satellite, with ground-based observations from the Snow Telemetry (SNOTEL) network and GLOBE (Global Learning Observations to Benefit the Environment). Together, these data sources help the team investigate how SWE varies across the landscape and how it affects local ecosystems and communities. The team is also preparing for future integration of data from NASA’s upcoming NISAR (NASA ISRO Synthetic Aperture Radar) mission, which is expected to enhance SWE retrieval capabilities.
After a collaborative visit to the classroom of Tammie Kovalenko in November 2024, Delta Junction junior and senior high school students in vocational agriculture (Vo Ag) classes, including members of Future Farmers of America (FFA), began collecting GLOBE data on a snowdrift located just outside their classroom. As the project progressed, students developed their own research questions. One student, Fianna Rooney, took the project even further — presenting research posters at both the GLOBE International Virtual Science Symposium (IVSS) and both the FFA Regional and National Conventions. Her work highlights the growing role of Alaskan youth in science, and how student-led inquiry can enrich both education and research outcomes. (This trip was funded by the NASA Science Activation Program’s Arctic and Earth SIGNs – STEM Integrating GLOBE & NASA – project at the University of Alaska Fairbanks.)
In February 2025, the team collaborated with Delta Junction Junior High and High School students, along with the Delta Junction Trails Association, to conduct a GLOBE Intensive Observation Period (IOP), “Delta Junction Snowdrifts,” to collect Landcover photos, snow depth, and snow water equivalent data. Thanks to aligned interests and research goals at the Alaska Satellite Facility (ASF), the project was further expanded into Spring 2025. Collaborators from ASF and the Alaska Center for Unmanned Aircraft Systems Integration (ACUASI) collected high resolution airborne data over the snowdrift at the Delta Junction Junior and Senior High School. This complementary dataset helped strengthen connections between satellite observations and ground-based student measurements.
This effort, led by a NASA intern, scientists, students, and Alaskan community members, highlights the power of collaboration in advancing science and education. Next steps will include collaboration with Native Alaskan communities near Delta Junction, including the Healy Lake Tribe, whose vast, generational knowledge will be of great value to deepening our understanding of Alaskan snow dynamics.
Learn more about how NASA’s Science Activation program 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/about-science-activation/
Julia White and Delta Junction student following GLOBE protocols for snow depth. Tori Brannan Share
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Last Updated Jul 14, 2025 Editor NASA Science Editorial Team Location Goddard Space Flight Center Related Terms
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By NASA
Curiosity Navigation Curiosity Home Mission Overview Where is Curiosity? Mission Updates Science Overview Instruments Highlights Exploration Goals News and Features Multimedia Curiosity Raw Images Images Videos Audio Mosaics More Resources Mars Missions Mars Sample Return Mars Perseverance Rover Mars Curiosity Rover MAVEN Mars Reconnaissance Orbiter Mars Odyssey More Mars Missions Mars Home 2 min read
Curiosity Blog, Sols 4584 – 4585: Just a Small Bump
NASA’s Mars rover Curiosity acquired this image using its Left Navigation Camera on June 27, 2025 — Sol 4582, or Martian day 4,582 of the Mars Science Laboratory mission — at 05:28:57 UTC. NASA/JPL-Caltech Written by Abigail Fraeman, Deputy Project Scientist at NASA’s Jet Propulsion Laboratory
Earth planning date: Friday, June 27, 2025
We weren’t able to unstow Curiosity’s robotic arm on Wednesday because of some potentially unstable rocks under Curiosity’s wheels, but we liked the rocks at Wednesday’s location enough that we decided to spend a sol repositioning the rover so that we’d have another chance today to analyze them. The small adjustment of the rover’s position, or “bump,” as we like to call it during tactical planning, was successful, and we found ourselves in a nice stable pose this morning which allowed us to use our highly capable robotic arm to observe the rocks in front of us.
We will be collecting APXS and MAHLI observations of two targets today. The first, “Santa Elena,” is the bumpy rock that caught our eye on Wednesday. The second, informally named “Estancia Allkamari,” is a patch of nearby sand. We’ll analyze this target to understand if and how the sand composition has changed as we’ve driven across Mount Sharp, and to better help us understand how sand may be contributing to future compositional measurements that cover mixtures of sand and rock. MAHLI and ChemCam will team up to observe a third target named “Ticatica,” which is another bumpy rock nearby that looks like it might have a dark patch on its side.
This is the final weekend of this Martian year when temperature and relative humidity in Gale crater hit the sweet spot where conditions are right for frost to form in the pre-dawn hours. We’re taking this last opportunity to see if we can catch any evidence of frost with the ChemCam laser, shooting a sandy (and hopefully cold) portion of the ground in the pre-dawn hours on a target named “Rio Huasco.” Other activities in the plan include atmospheric monitoring, Mastcam mosaics, including a 20 x 3 mosaic of the large boxwork structures in the distance, and a short drive to the southwest to check out a rocky raised ridge.
For more Curiosity blog posts, visit MSL Mission Updates
Learn more about Curiosity’s science instruments
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Last Updated Jul 01, 2025 Related Terms
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By European Space Agency
Today, at the Living Planet Symposium, ESA revealed the first stunning images from its groundbreaking Biomass satellite mission – marking a major leap forward in our ability to understand how Earth’s forests are changing and exactly how they contribute to the global carbon cycle. But these inaugural glimpses go beyond forests. Remarkably, the satellite is already showing potential to unlock new insights into some of Earth’s most extreme environments.
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