-
Recent Posts
Tags
Aeolis Mons Arizona State University ASU atmosphere Beautiful Mars Cape Tribulation clouds craters Curiosity dunes dust Endeavour Crater ESA European Space Agency Gale Crater High Resolution Imaging Science Experiment HiRISE Malin Space Science Systems Marathon Valley MARCI Mars Color Imager Mars Exploration Rover Mars Odyssey Mars Reconnaissance Orbiter Mars Science Laboratory mass wasting MER Mount Sharp MRO MSL MSSS Murray Formation NASA Opportunity sand dunes Stimson Formation storms THEMIS THEMIS Image of the Day Thermal Emission Imaging System University of Arizona Vera Rubin Ridge volcanics weather windArchives
Links
general
mission instruments
- CRISM: Compact Reconnaissance Imaging Spectrometer for Mars
- CTX: Context Camera
- HiRISE: High Resolution Imaging Science Experiment
- MARSIS: Mars Advanced Radar for Subsurface and Ionosphere Sounding
- SHARAD: Shallow Radar
- THEMIS: Thermal Emission Imaging System
missions
- All Mars missions list
- Curiosity rover
- ExoMars
- Hope (al-Amal) orbiter
- InSight
- Mars Atmosphere and Volatile Evolution Mission (MAVEN)
- Mars Exploration Rovers (MER)
- Mars Express (MEX)
- Mars Odyssey
- Mars Orbiter Mission (MOM) / Mangalyaan
- Mars Reconnaissance Orbiter (MRO)
- Mars Science Laboratory (MSL)
- Perseverance Rover
- Tianwen-1 orbiter/rover
news
Tag Archives: spiders
HiRISE: The enduring charm of spiders
Araneiform terrain (colloquially: spider-like terrain) is located in the south polar region of Mars and evolves in appearance over the spring and summer. In the season shown here, the thin bright lines on the surface (the spider legs) are troughs … Continue reading
Posted in Reports
Tagged High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, south polar ice cap, spiders, University of Arizona
Comments Off
HiRISE: Thousands of spiders on Mars
As part of the Planet Four citizen science effort, volunteers searched Context Camera images for possible new locations on Mars with “spiders,” or features with radial troughs from which fans emanate in the springtime. We planned this HiRISE image over … Continue reading
Posted in Reports
Tagged CO2 ice, CO2 jets, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, south polar region, south polar residual cap, spiders, University of Arizona
Comments Off
HiRISE: Jamming with the ‘spiders’ from Mars
During winter at the South Pole of Mars, a carbon dioxide ice cap covers the region and as the sun returns in the spring, “spiders” begin to emerge from the landscape. But these aren’t actual spiders. We call it “araneiform … Continue reading
Posted in Reports
Tagged High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, south polar ice cap, spiders, University of Arizona
Comments Off
HiRISE: Spider formations in crater
Spider formations in crater. Of course, these aren’t actual spiders, but that’s the name we give to these formations, called “araneiform.” The spiders here would be very unusual at northern latitudes. Seasonal series of pictures will allow us to compare … Continue reading
Posted in Reports
Tagged araneiforms, Beautiful Mars, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, spiders, University of Arizona
Comments Off
HiRISE: Tiny spiders off south polar layered deposits
Tiny spiders off south polar layered deposits. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, south polar layered deposits, spiders, University of Arizona
Comments Off
HiRISE: Spider terrain
Spider terrain. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, CO2 ice, CO2 jets, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, south polar ice cap, spiders, University of Arizona
Comments Off
HiRISE: Immature spider terrain
Immature spider terrain — Completely in need of adult supervision, obviously. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, south polar ice cap, spiders, University of Arizona
Comments Off
HiRISE: How gas carves channels
A layer of dry ice covers the South Polar layered deposits every winter. In the spring, gas created from heating of the dry ice escapes through ruptures in the overlying seasonal ice, entraining material from the ground below. The gas … Continue reading
Posted in Reports
Tagged CO2 frost, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, south polar layered deposits, spiders, University of Arizona
Comments Off
HiRISE: Wide, branching channels
Southern spring on Mars brings sublimation of the seasonal dry ice polar cap. Gas trapped under the seasonal ice sheet carves channels on its way to escaping to the atmosphere. At this site, the channels are wider than we see … Continue reading
Posted in Reports
Tagged High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, south polar ice cap, spiders, University of Arizona
Comments Off
HiRISE: Spiders on mounds
This terrain looks like lumpy sediment on top of patterned ground. The lumpy sediment is likely just loosely consolidated because it is covered with spidery channels. This landform is uniquely Martian, formed in the spring as seasonal dry ice turns … Continue reading
Posted in Reports
Tagged High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, mounds, MRO, NASA, spiders, University of Arizona
Comments Off