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Eclipses to Auroras: Eclipse Ambassadors Experience Winter Field School in Alaska
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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 2 min read
Sols 4458-4460: Winter Schminter
NASA’s Mars rover Curiosity captured this image of the Texoli butte, a Martian landmark about 525 feet (160 meters) tall, with many layers that scientists are studying to learn more about the formation of this region of the Red Planet. The butte is on the 3-mile-high Mount Sharp, inside Gale Crater, where Curiosity landed and has been exploring since 2012. The rover acquired this image using its Left Navigation Camera on sol 4456, or Martian day 4,456 of the Mars Science Laboratory mission, on Feb. 17, 2025, at 17:51:56 UTC. NASA/JPL-Caltech Earth planning date: Tuesday, Feb. 18, 2025
During today’s unusual-for-MSL Tuesday planning day (because of the U.S. holiday on Monday), we planned activities under new winter heating constraints. Operating Curiosity on Mars requires attention to a number of factors — power, data volume, terrain roughness, temperature — that affect rover operability and safety. Winter means more heating to warm up the gears and mechanisms within the rover and the instruments, but energy that goes to heating means less energy for science observations. Nevertheless, we (and Curiosity) were up to the task of balancing heating and science, and planned enough observations to warm the science team’s hearts.
We fit in DRT, APXS, and MAHLI on two different bedrock targets, “Chumash Trail” and “Wheeler Gorge,” which have different fracturing and layering features. In the workspace, ChemCam targeted a clean vertical exposure of layered bedrock at “Sierra Madre” and a lumpy-looking patch of resistant nodules at “Chiquito Basin.”
The topography of the local terrain and our end-of-drive position after the weekend fortuitously lined up to give us a view of an exposure of the Marker Band, which we first explored on the other side of Gediz Vallis Ridge. Having a view of another exposure of this distinctive horizon helps give us further insight into its origin, so we included both RMI and Mastcam mosaics of the exposure.
Documenting a feature that, unlike the Marker Band, has been and will be in our sights for a long time — “Texoli” butte (pictured above) — was the goal of additional Mastcam and ChemCam imaging. Observations of potential sedimentary structures on the flank of Texoli motivated acquisition of an RMI mosaic, and a chance to capture structures along its southeast face inspired a Mastcam mosaic. Good exposures of additional nearby bedrock structures at “Mount Lukens” and “Chantry Flat” drew the eye of Mastcam, while another small mosaic focused on the kind of linear troughs in the sand we often see bordering bedrock slabs. Environmental observations included Navcam cloud and dust-devil movies, Mastcam observations of dust in the atmosphere, and REMS and RAD measurements spread across the three sols of the plan.
Written by Michelle Minitti, Planetary Geologist at Framework
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Last Updated Feb 20, 2025 Related Terms
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Preparations for Next Moonwalk Simulations Underway (and Underwater)
The engineering club from Palmdale High School in Palmdale, California, visits NASA’s Armstrong Research Flight Center in Edwards, California. The students took a group photo in front of the historic X-1E aircraft on display at the center.NASA/Genaro Vavuris A group of enthusiastic high school students recently visited NASA to learn about facilities and capabilities that enable the agency’s researchers to explore, innovate, and inspire for the benefit of humanity.
Engineering club students from Palmdale High School in California were able to connect classroom lessons to real-world applications, sparking curiosity and ambition while at NASA’s Armstrong Flight Research Center in Edwards, California. “I learned a lot about the different careers that you can get at a place like NASA,” student Roberto Cisnero said.
Through partnerships with the regional STEM community, NASA’s STEM Engagement provides local students with hands-on opportunities aligned with NASA’s missions. “Many students do not get the opportunity to be encouraged to pursue STEM careers. Part of our NASA mission is to be that encourager,” said Randy Thompson, deputy director for NASA Armstrong Research and Engineering.
Highlights from the visit included demonstrations at a mission control room, the Subscale Flight Research Laboratory, the Flight Loads Laboratory, and the Experimental Fabrication Shop, all of which support high-risk, atmospheric flight research and test projects. Students engaged with laboratory technicians, engineers, and program managers, asking questions about the work they do. “It was fun to see what the valued people at NASA do with all of the resources,” student Jonathan Peitz said.
NASA’s California Office of STEM Engagement hosted the visit in celebration of National Aviation History Month. By supporting students, educators, and expanding STEM participation, NASA aims to inspire future leaders and build a diverse, skilled workforce.
Students examine the Global Hawk Fairing Load Test at the Experimental Fabrication Shop at NASA’s Armstrong Research Flight Center in Edwards, California. The students are from the engineering club from Palmdale High School in Palmdale, California.NASA/Steve Freeman Students tour a control room at NASA’s Armstrong Research Flight Center in Edwards, California. The students are from the engineering club at Palmdale High School in Palmdale, California.NASA/Steve Freeman Students look at a subscale model at the Dale Reed Subscale Flight Research Laboratory at NASA’s Armstrong Research Flight Center in Edwards, California. The students are from the engineering club from Palmdale High School in Palmdale, California.NASA/Steve Freeman Students examine small parts made at the Experimental Fabrication Shop at NASA’s Armstrong Research Flight Center in Edwards, California. The students are from the engineering club from Palmdale High School in Palmdale, California.NASA/Steve Freeman Share
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Last Updated Feb 14, 2025 EditorDede DiniusContactArmstrong Communications Related Terms
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An Afternoon of Family Science and Rocket Exploration in Alaska
On Tuesday, January 28th, Fairbanks BEST Homeschool joined the Geophysical Institute for an afternoon of rocket exploration, hands-on activities, and stargazing inside a planetarium. This event was free and open to the public. Despite their frigid winter weather, 200 attendees were curious about the scientific endeavors of Alaska-based researchers alongside cutting-edge investigations conducted by NASA rocket scientists.
Families and friends in attendance learned about two NASA rocket missions that would study the flickering and vanishing auroras: Ground Imaging to Rocket investigation of Auroral Fast Features (GIRAFF) and Black and Diffuse Aurora Science Surveyor (BaDASS). Visitors had an opportunity to sign up for text notifications related to the launch window. The planetarium presentations touch on Heliophysics Big Ideas that align with the three questions that drive NASA’s heliophysics research:
What are the impacts of the changing sun on humanity? How do Earth, the solar system, and the heliosphere respond to changes on the sun? What causes the sun to vary? The event also offered sun-related hands-on activities provided by the University of Alaska Museum of the North.
This event was offered to the community in association with the Science For Alaska Lecture Series and the 2025 NASA Sounding Rocket campaign. Every attendee left with something inspiring to think about. Parents and educators interested in learning more about auroras and do participatory science may check out NASA’s Aurorasaurus citizen science project.
The Geophysical Institute at the University of Alaska Fairbanks is a Co-Investigating team for the NASA Heliophysics Education Activation Team (NASA HEAT), which is part of NASA’s Science Activation Portfolio. Learn more about how Science Activation connects NASA science experts, 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
Aurora Educational Resource List by Aurorasaurus
Families constructed and decorated their paper rockets. Katelin Avery It was so much fun! We are receiving rave reviews from our families and the surrounding community. THANK YOU AGAIN FOR COLLABORATING WITH US!
Fairbanks BEST Homeschool
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What You Need To Know About the March 2025 Total Lunar Eclipse
The Moon will pass into Earth’s shadow and appear to turn red on the night of March 13 or early in the morning of March 14, depending on time zone. Here’s what you need to know about the total lunar eclipse.
The March 2025 total lunar eclipse will take place between late night on March 13 and early morning on March 14 across several time zones. In this data visualization, the Moon moves from right to left, passing through Earth’s shadow and leaving in its wake an eclipse diagram with the times (in UTC) at various stages of the eclipse. Credit: NASA’s Scientific Visualization Studio What is a lunar eclipse?
A lunar eclipse occurs when the Sun, Earth, and Moon align so that the Moon passes into Earth’s shadow. In a total lunar eclipse, the entire Moon falls within the darkest part of Earth’s shadow, called the umbra. When the Moon is within the umbra, it turns red-orange. Lunar eclipses are sometimes called “Blood Moons” because of this phenomenon.
Alignment of the Moon, Earth, and Sun during a lunar eclipse (not to scale). NASA’s Scientific Visualization Studio How can I observe the eclipse?
You don’t need any special equipment to observe a lunar eclipse, although binoculars or a telescope will enhance the view. A dark environment away from bright lights makes for the best viewing conditions.
This eclipse will be visible from Earth’s Western Hemisphere.
Map showing where the March 13-14, 2025 lunar eclipse is visible. Contours mark the edge of the visibility region at eclipse contact times, labeled in UTC. NASA’s Scientific Visualization Studio What can I expect to observe?
Milestone: What’s happening: Penumbral eclipse begins (8:57pm PDT, 11:57pm EDT, 03:57 UTC) The Moon enters the Earth’s penumbra, the outer part of the shadow. The Moon begins to dim, but the effect is quite subtle. Partial eclipse begins (10:09pm PDT, 1:09am EDT, 05:09 UTC) The Moon begins to enter Earth’s umbra and the partial eclipse begins. To the naked eye, as the Moon moves into the umbra, it looks like a bite is being taken out of the lunar disk. The part of the Moon inside the umbra will appear very dark. Totality begins (11:26pm PDT, 2:26am EDT, 06:26 UTC) The entire Moon is now in the Earth’s umbra. The Moon will turn a coppery-red. Try binoculars or a telescope for a better view. If you want to take a photo, use a camera on a tripod with exposures of at least several seconds. Totality ends (12:31am PDT, 3:31am EDT, 07:31 UTC) As the Moon exits Earth’s umbra, the red color fades. It will look as if a bite is being taken out of the opposite side of the lunar disk as before. Partial eclipse ends (1:47am PDT, 4:47am EDT, 08:47 UTC) The whole Moon is in Earth’s penumbra, but again, the dimming is subtle. Penumbral eclipse ends (3:00am PDT, 6:00am EDT, 10:00 UTC) The eclipse is over. Data visualization showing a telescopic view of the Moon as the March 2025 total lunar eclipse unfolds. Credit: NASA’s Scientific Visualization Studio Why does the Moon turn red during a lunar eclipse?
The same phenomenon that makes our sky blue and our sunsets red causes the Moon to turn reddish-orange during a lunar eclipse. Sunlight appears white, but it actually contains a rainbow of components—and different colors of light have different physical properties. Blue light scatters relatively easily as it passes through Earth’s atmosphere. Reddish light, on the other hand, travels more directly through the air.
When the Sun is high on a clear day, we see blue light scattered throughout the sky overhead. At sunrise and sunset, when the Sun is near the horizon, incoming sunlight travels a longer, low-angle path through Earth’s atmosphere to observers on the ground. The bluer part of the sunlight scatters away in the distance (where it’s still daytime), and only the yellow-to-red part of the spectrum reaches our eyes.
During a lunar eclipse, the Moon appears red or orange because any sunlight that’s not blocked by our planet is filtered through a thick slice of Earth’s atmosphere on its way to the lunar surface. It’s as if all the world’s sunrises and sunsets are projected onto the Moon.
During a total lunar eclipse, the Moon is reddened by sunlight filtered through Earth’s atmosphere. NASA’s Scientific Visualization Studio What else can I observe on the night of the eclipse?
Look to the western sky on the night of the eclipse for a glimpse of planets Jupiter and Mars. The Moon will be in the constellation Leo, under the lion’s hind paw, at the beginning of the eclipse; soon afterward, it will cross into the constellation Virgo. As Earth’s shadow dims the Moon’s glow, constellations may be easier to spot than usual.
Visit our What’s Up guide for monthly skywatching tips, and find lunar observing recommendations for each day of the year in our Daily Moon Guide.
Read more: The Moon and Eclipses
Writers: Caela Barry, Ernie Wright, and Molly Wasser
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Last Updated Feb 06, 2025 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 3 min read
Sols 4441-4442: Winter is Coming
NASA’s Mars rover Curiosity acquired this image of its workspace, which includes some polygonal fracture features just to the left of the top center of the image, using its Left Navigation Camera on sol 4439, or Martian day 4,439 of the Mars Science Laboratory mission, on Jan. 31, 2025, at 05:43:05 UTC. NASA/JPL-Caltech Earth planning date: Friday, Jan. 31, 2025
Here in Earth’s northern hemisphere, the days are slowly getting longer, bringing with them the promise of an end to winter. While we are anticipating the return of warmer temperatures, just over 100 million kilometers (more than 62 million miles) away, Curiosity is starting to feel the bite of the colder season.
One of the quirks of Mars’ orbital configuration is that aphelion (when Mars is farthest from the Sun) occurs about a month and a half before the southern winter solstice. This means that winters in the southern hemisphere (where Curiosity is located) are both longer and colder than those in the northern hemisphere. Consequently, we need to spend more of our power on keeping the rover warm, limiting the time that can be spent doing science.
Today’s plan was fairly constrained by the available power, so our various instrument and science teams had to carefully coordinate their requests to ensure that we stay within the power limits that have been budgeted out over the next several plans. Our team is never one to back down from a challenge, so this plan squeezes as much science as possible out of every watt-hour of power we were given.
Our drive from Wednesday’s plan completed successfully (quite an accomplishment in the current terrain!). One of our wheels ended up perched a few centimetres up on a rock, so we aren’t able to use APXS or DRT today, but we were still able to unstow the arm to take some MAHLI images.
This plan kicks off with a pair of ChemCam and Mastcam coordinated activities. The first of these two focuses on some interesting polygonal fractures that we ended up parked in front of (see the image above). ChemCam will use its LIBS laser on these fractures before they are imaged by Mastcam. ChemCam will then use its RMI camera to take a mosaic of some features on the crater floor way off in the distance, which Mastcam will also image. Mastcam then goes it alone, with images of “Vivian Creek” (some sedimentary layers in today’s contact science target), “Dawn Mine” (a potential meteorite), and a trough off of the rover’s right side. The Environmental Science (ENV) team will continue their monitoring of the environment with a Mastcam tau to measure dust in the atmosphere as well as Navcam cloud and dust devil movies. After a short nap, the arm is unstopped to take a number of MAHLI images of “Coldwater Canyon,” over a range of distances between 5 and 25 centimeters away (about 2-10 inches).
The second sol of this plan is largely consumed by ENV activities, including another tau and a Navcam line-of-sight observation to monitor dust. A big chunk of this sol’s plan is taken up by ChemCam passive observations (not using the LIBS laser) of the atmosphere. This “passive sky” observation allows us to measure atmospheric aerosol properties and the amount of oxygen and water in the air. Of course, ENV couldn’t have all the fun, so this sol also contains a typical ChemCam LIBS observation of “Big Dalton” with a Mastcam image afterward. After stowing the arm, we will drive off from our current location.
Right before handing off to Monday’s plan, we wrap up with our typical early-morning ENV weekend science time, which includes more tau and line-of-sight dust observations and several Navcam cloud movies. RAD, REMS, and DAN also continue their monitoring of the environment throughout this plan.
Written by Conor Hayes, Graduate Student at York University
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Last Updated Feb 04, 2025 Related Terms
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