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By NASA
2 min read
Explore Our Dynamic Sun!
from NASA’s Heliophysics Education Activation Team (NASA HEAT) and the Astronomical Society of the Pacific/Night Sky Network
Have you ever wondered about what the Sun is made of? Or why do you get sunburned on even cloudy days? NASA’s new Explore the Sun toolkit brings the wonders of solar science to you, offering answers to these questions and more!
Solar images from NASA’s Solar Dynamics Observatory show different features on the Sun, including sunspots in the visible light spectrum. Filaments and prominences can be seen in hydrogen-alpha, coronal mass ejections in X-ray, and details in ultraviolet light. On the right side of the banner, aurorae observed on Earth by the International Space Station is shown, along with aurorae on other planets as seen by NASA’s Hubble Space Telescope and James Webb Space Telescope. NASA/Astronomical Society of the Pacific A collaboration between NASA’s Heliophysics Education Activation Team (NASA HEAT) and the Astronomical Society of the Pacific’s Night Sky Network program, this resource was developed for informal educators, amateur astronomers, and astronomy enthusiasts alike, providing engaging activities for anyone eager to learn more about our nearest star.
Whether you’re hosting a solar viewing event or an indoor presentation, the Our Dynamic Sun toolkit provides easy-to-use materials designed to spark curiosity. Each card in the set pairs NASA images with clear explanations for each topic:
“What color is the Sun?” (hint: it’s not yellow!) “How does the Sun affect us here on Earth?” “When will the Sun die?” These cards not only answer common questions the public may have, but also highlight how NASA’s solar research helps us understand space weather, solar storms, and their impacts on our daily lives.
Bring the Sun’s story to your community and inspire the next generation of explorers. You can download this free Our Dynamic Sun toolkit here: https://bit.ly/suntoolkit
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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 4568-4569: A Close Look at the Altadena Drill Hole and Tailings
NASA’s Mars rover Curiosity acquired this image of the “Altadena” drill hole using its Mast Camera (Mastcam) on June 8, 2025 — Sol 4564, or Martian day 4,564 of the Mars Science Laboratory mission — at 13:57:45 UTC. NASA/JPL-Caltech/MSSS Written by Sharon Wilson Purdy, Planetary Geologist at the Smithsonian National Air and Space Museum
Earth planning date: Wednesday, June 11, 2025
As we near the end of our Altadena drill campaign, Curiosity continued her exploration of the Martian bedrock within the boxwork structures on Mount Sharp. After successfully delivering a powdered rock sample to both the CheMin (Chemistry and Mineralogy) and SAM (Sample Analysis at Mars) instruments, the focus for sols 4568 and 4569 was to take a closer look at the drill hole itself — specifically, the interior walls of the drill hole and the associated tailings (the rock material pushed out by the drill).
In the image above, you can see that the tone (or color) of the rock exposed within the wall of the drill hole appears to change slightly with depth, and the drill tailings are a mixture of fine powder and more solid clumps. If you compare the Altadena drill site with the 42 drill sites that came before, one can really appreciate the impressive range of colors, textures, and grain sizes in the rocks that Curiosity has analyzed over the past 12 years. Every drill hole marks a window into the past and can help us understand how the ancient environment and climate on Mars evolved over time.
In this two-sol plan, the ChemCam, Mastcam, APXS, and MAHLI instruments coordinated their observations to image and characterize the chemistry of the wall of the drill hole and tailings before we drive away from this site over the coming weekend. Outside of our immediate workspace, Mastcam created two stereo mosaics that will image the boxwork structures nearby as well as the layers within Texoli butte. ChemCam assembled three long-distance RMI images that will help assess the layers at the base of the “Mishe Mokwa” hill, complete the imaging of the nearby boxwork structures, and image the very distant crater rim (about 90 kilometers, or 56 miles away) and sky to investigate the scattering properties of the atmosphere. The environmental theme group included observations that will measure the properties of the atmosphere and also included a dust-devil survey.
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Last Updated Jun 13, 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 Mars Home 4 min read
Sols 4561-4562: Prepping to Drill at Altadena
NASA’s Mars rover Curiosity acquired this image of a recent DRT (Dust Removal Tool) site, showing off the marks created in the rocks by DRT — a motorized, wire-bristle brush on the turret at the end of the rover’s robotic arm — as well as a whitish vein that was revealed after the dust covering it was removed. Curiosity acquired this image using its Mars Hand Lens Imager (MAHLI), a camera mounted on the turret at the end of the robotic arm, which provides close-up views of the minerals, textures, and structures in Martian rocks and the surface layer of rocky debris and dust. Using an onboard process, MAHLI merges two to eight images to make a composite image of the same target acquired at different focus positions, to bring many features into focus in a single image. Curiosity merged this composite on June 4, 2025 — Sol 4560. Or Martian day 4,560 of the Mars Science Laboratory Mission — at 12:33:42 UTC. NASA/JPL-Caltech/MSSS Written by Conor Hayes, Graduate Student at York University
Earth planning date: Wednesday, June 4, 2025
We are continuing to look for a suitable location to collect a drilled sample in this area. As you may recall from Monday’s plan, we performed a short “bump” of just under 4 meters (about 13 feet) hoping to find a drill target today after Monday’s analysis determined that there were no good targets in our previous workspace. Happily, today’s workspace was much more cooperative, and we were able to select the target “Altadena” as our next potential drill location. Altadena is a name that we’ve been saving for a special target, as its namesake here on Earth is a neighborhood next to JPL that was devastated by the Eaton Fire earlier this year. We’re about to enter our next mapping quadrangle, which will come with a new set of target names, so the team decided that using Altadena as the name for this drill site was an obvious choice.
The big activity in this plan is the next step in the drilling process. This activity is the “preload test,” which determines if the forces on the drill will be good while drilling, and the drill target won’t unexpectedly move or fracture. If we pass the preload test and find that the rock has the chemistry we’re looking for, we’ll be able to proceed with Altadena as our next drill site. If we don’t, we’ll have to decide whether to bump again or resume driving deeper into this potentially boxwork-bearing region.
Of course, the preload test isn’t the only thing we’re doing today. Coming in, it was looking like our time for other activities would be pretty tight due to power constraints imposed by preparations for drilling and keeping the rover warm during the cold Martian winter. However, we’ve recently implemented some new power-optimizing capabilities, which led to us having much more power today than we expected. This meant that we were able to add a whole additional hour of science time in addition to the hour that we already had scheduled.
Unsurprisingly, Altadena gets a lot of love in this plan to characterize it before we drill. This includes a ChemCam LIBS activity and a Mastcam observation, as well as some overnight observations by APXS and some MAHLI images. In addition, Mastcam will be observing some exposed stratigraphy at “Dana Point,” a light-toned vein at “Mission Trails” that will also be a ChemCam LIBS target, a few more nearby troughs, and a couple of sandy patches at “Camp Williams” to observe wind-driven sediment transport. Along with the two LIBS, ChemCam will be using its RMI camera to add to the pile of images we have of the Mishe Mokwa butte and the yardang unit off in the distance.
As the lead for the Atmosphere and Environment (ENV) group today, it looked like I was going to have a pretty light workload due to the power constraints preventing any ENV activities other than our usual REMS, RAD, and DAN observations. With the extra hour of science time, I was able to add a handful of new activities, including three Navcam cloud movies, a Navcam line-of-sight observation of dust within Gale Crater, and a Navcam survey to look for any dust devils that may be swirling around the rover. A pretty decent ENV science haul for a plan that started with nothing!
When we come into planning on Friday, we’ll hopefully have passed the preload test and will be able to turn Altadena into our 43rd drill hole in the coming sols, before we continue driving up the slopes of Mount Sharp.
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Last Updated Jun 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 Mars Home 3 min read
Sols 4559-4560: Drill Campaign — Searching for a Boxwork Bedrock Drill Site
NASA’s Mars rover Curiosity acquired this image of a portion of its workspace, full of interesting but not drillable bedrock, using its Left Navigation Camera on June 2, 2025 — Sol 4558, or Martian day 4,558 of the Mars Science Laboratory mission — at 12:23:24 UTC. NASA/JPL-Caltech Written by Lucy Lim, Planetary Scientist at NASA’s Goddard Space Flight Center
Earth planning date: Monday, June 2, 2025
Now that Curiosity has spent a few sols collecting close-up measurements of the rocks in the outer edge of the boxwork-forming geologic unit, the team has decided that it’s time to collect a drill sample. The geochemical measurements by APXS and ChemCam have shown changes since we crossed over from the previous layered sulfate unit, but we can’t figure out the mineralogy from those data alone. As we’ve often seen before on Mars, the same chemical elements can crystallize into a number of different mineral assemblages. That’s even more the case in sedimentary rocks such as we are driving through, in which different grains in our rocks may have formed in different times and places. This also means that when we do get our mineral data, those minerals will tell us a lot about the history of these new-to-us rocks.
On board Curiosity, that mineral analysis is the job of the CheMin instrument, which uses X-ray diffraction to identify minerals. CheMin shines a narrow X-ray beam through a powdered sample in order to generate the diffraction pattern, which means that it needs a drilled sample. So the team today was busy looking for a drillable spot. Unfortunately the rover’s drill reach from today’s parking spot included only rocks that were too fractured or had too much debris sitting on them to be considered likely to produce a good drilled sample, so we will have to move, or “bump,” at least one more time before progressing to the drill preload test, which is the next step in drilling.
In the meantime, we are taking more measurements to understand the range of compositions that can be found in this rock layer. Dust removal (DRT) + APXS + LIBS + MAHLI were all planned for target “Holcomb Valley,” while a short distance away a second DRT/APXS/MAHLI measurement was planned for “Santa Ysabel Valley” and in another direction, a second LIBS for “Stough Saddle.” One long-distance ChemCam remote imaging mosaic was planned to cover a boxwork structure off in the distance. Mastcam had a relatively light day of imaging, with just a couple of small mosaics covering a nearby trough feature, and providing context for the RMI of the boxwork structure, in addition to documenting the two LIBS targets. The modern Mars environment was also recorded with a couple of movies to look for dust-devil activity, a measurement of atmospheric opacity, and a pair of suprahorizon observations to look for clouds, plus the usual passive observations by DAN and REMS to monitor the neutron environment, temperature, and humidity.
I’ll be on rover planning Wednesday as Geology and Mineralogy Science Theme Lead and looking forward to what we find — hopefully some drillable boxwork-unit bedrock!
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Last Updated Jun 04, 2025 Related Terms
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