https://uahirise.org en-us © 2022 Arizona Board of Regents Explore Mars one giant image at a time with HiRISE, onboard NASA's Mars Reconnaissance Orbiter. HiRISE/UArizona HiRISE/UArizona Learning about the Red Planet with captioned images from HiRISE, the most powerful camera ever sent to another planet, on board the Mars Reconnaissance Orbiter (MRO/NASA). Learning about the Red Planet with captioned images from HiRISE, the most powerful camera ever sent to another planet, on board the Mars Reconnaissance Orbiter (MRO/NASA). HiRISE/University of Arizona beautifulmars@uahirise.org false July 2022: The Marvelous Mega-Ripples of Mars! HiRISE/UArizona HiRISE/UArizona A bit late to the post, but captioned images for July from HiRISE are here for your enjoyment! In this episode, we take a look at how mega-ripples form, and move, on the Red Planet, plus more. (Narration: Tre Gibbs) Sat, 06 Aug 2022 00:00:00 GMT 3:58Ω false June 2022: Spring Polygons and Chaotic Terrain of Floods Past HiRISE/UArizona HiRISE/UArizona It might be summer where you are, but spring fans on Mars show off their interesting shapes! Plus, the landscape within a massive impact crater has been shaping up for millions of years. (Narration: Tre Gibbs) Fri, 01 Jul 2022 00:00:00 GMT 3:59 false March 2022: Defrosting Dunes in the Martian Spring HiRISE/UArizona HiRISE/UArizona Brand new slumps and stunning defrosting dunes are part of the March 2022 catalog update. (Narration: Tre Gibbs) Fri, 18 Mar 2022 00:00:00 GMT 4:26 false February 2022: Southern Spring on Martian Dunes HiRISE/UArizona HiRISE/UArizona Carbon dioxide ice adds to dazzling patterns on dunes within an impact crater and more. (Narration: Tre Gibbs) Fri, 18 Feb 2022 00:00:00 GMT 3:05 false January 2022: Where Zero Marks the Spot HiRISE/UArizona HiRISE/UArizona For our first captioned image batch for 2022, we take a look at where zero longitude is on Mars. (Narration: Tre Gibbs) Fri, 21 Jan 2022 18:00:00 GMT 3:32 false December 2021: Tales of Ancient Rivers and Icy Cliffs HiRISE/UArizona HiRISE/UArizona Our last captioned image batch for 2021, featuring remnants of ancient rivers in Mawrth Vallis and sharp-edged craters exposing underground ice in the polar region of Mars. (Narration: Tre Gibbs) Fri, 17 Dec 2021 00:00:00 GMT 3:27 false November 2021: The Wonderful Layers of Martian Bedrock HiRISE/UArizona HiRISE/UArizona Four captioned images for November, featuring gorgeous layered bedrock and stunning wind ripples inside impact craters. (Narration: Tre Gibbs) Fri, 19 Nov 2021 00:00:00 GMT 3:38 false September 2021: A Picture 15 Years in the Making HiRISE/UArizona HiRISE/UArizona Four captioned images for September, including one that was suggested back in 2006! (Narration: Tre Gibbs) Fri, 24 Sept 2021 00:00:00 GMT 3:54 false July 2021: What are Martian Ghost Craters? HiRISE/UArizona HiRISE/UArizona In this episode, colorful plains and ghost craters make for an interesting look at Mars. (Narration: Tre Gibbs) Fri, 16 Jul 2021 00:00:00 GMT 3:59 false June 2021: About Martian Avalanches HiRISE/UArizona HiRISE/UArizona Avalanches on Mars are more common than you might think. Plus, three other captions for June 2021. (Narration: Tre Gibbs) Fri, 18 Jun 2021 00:00:00 GMT 2:41 false May 2021: Mr. Peanut on Mars HiRISE/UArizona HiRISE/UArizona Formations on Mars can often appear as very interesting shapes, like the mascot of a certain peanut company. (Narration: Tre Gibbs) Fri, 28 May 2021 00:00:00 GMT 3:07 false April 2021: An Icy Scarp of Mars HiRISE/UArizona HiRISE/UArizona Could there be reserves of water for future human explorers of Mars? (Narration: Tre Gibbs) Fri, 16 Apr 2021 00:00:00 GMT 4:07 false March 2021: Scallops and Ridges HiRISE/UArizona HiRISE/UArizona What is the recipe for Martian scallops and ridges? This episode will help to explain both. (Narration: Tre Gibbs) Fri, 19 Mar 2021 00:00:00 GMT 4:10 false January 2021: A Technicolor Mound on a Red Planet HiRISE/UArizona HiRISE/UArizona A beautiful textured mound and a polar happy face crater are two of the Martian highlights in this episode. (Narration: Tre Gibbs) Sat, 23 Jan 2021 06:00:00 GMT 3:18 false December 2020: Of Stair Steps and Ice HiRISE/University of Arizona HiRISE/UArizona There are some wonderful stair step-like formations in Arabia Terra, and ground ice works its magic on the terrain this episode. (Narration: Tre Gibbs) Fri, 18 Dec 2020 20:30:00 GMT 3:29 false May 2020: A Most Exquisite Layering HiRISE/University of Arizona HiRISE/UArizona We take a close look at some very faint traces on a crater wall and exquisite layering in another impact crater. (Narration: Tre Gibbs) Fri, 29 May 2020 00:00:00 GMT 3:57 false April 17, 2020: A Tale of Two Craters HiRISE/University of Arizona With a single image, we managed to capture two targets at once, each with a different geological story. (Narration: Tre Gibbs) Fri, 17 Apr 2020 00:00:00 GMT false 3:12 April 3, 2020: Where the Wind Blows HiRISE/University of Arizona Scientists can study HiRISE images collected over time of the same dunes to observe whether they are moving or not, and if so, how fast. (Narration: Tre Gibbs) Fri, 03 Apr 2020 00:00:00 GMT 3:47 false November 2019: Things Both Ancient and Modern HiRISE/University of Arizona When we study Mars, we can see formations that are both ancient and modern. (Narration: Tre Gibbs) Fri, 22 Nov 2019 00:00:00 GMT 4:42 false HiRISE/University of Arizona A collection of dunes on Mars might look artificial or like pieces on a game board, but in fact, they are quite natural formations. (Narration: Tre Gibbs) Fri, 18 Oct 2019 00:00:00 GMT 3:56 false HiRISE/University of Arizona The most habitable places on Mars now and in the past are underground, where water is or was much more stable than at the surface. (Narration: Tre Gibbs) Fri, 20 Sept 2019 00:00:00 GMT 3:16 false HiRISE/University of Arizona When spring comes to Mars, the sunlight will work on icy layers and things start to fall. (Narration: Tre Gibbs) Fri, 06 Sept 2019 00:00:00 GMT 3:37 false HiRISE/University of Arizona An interesting natural formation on the Red Planet might look to us like a very famous logo. (Narration: Tre Gibbs) Fri, 14 Jun 2019 00:00:00 GMT 3:50 false HiRISE/University of Arizona Sometimes when it comes to lava, resistance is *not* futile. Plus, we see some beautiful frost-covered dunes. (Narration: Tre Gibbs) Fri, 17 May 2019 00:00:00 GMT 2:49 false HiRISE/University of Arizona The surface of Mars is often so beautiful that it looks like abstract art. (Narration: Tre Gibbs) Fri, 19 Apr 2019 15:00:00 GMT 3:00 false HiRISE/University of Arizona The South Pole of Mars often features some very dramatic changes that we can track over the years. (Narration: Tre Gibbs) Fri, 05 Apr 2019 00:00:00 GMT 3:20 false HiRISE/University of Arizona The complexity of gully formation and the stories we can find in layers of bedrock. (Narration: Tre Gibbs) Fri, 22 Mar 2019 00:00:00 GMT 2:52 false HiRISE/University of Arizona It's one of the most mysterious features on Mars, known as "brain terrain." (Narration: Tre Gibbs) Fri, 15 Mar 2019 19:00:00 GMT 2:55 false HiRISE/University of Arizona Dust devils are common on Mars, but they dare not cross the southern polar layered deposits. (Narration: Tre Gibbs) Fri, 22 Feb 2019 12:00:00 GMT 3:19 false HiRISE/University of Arizona Geological layers can tell us a great deal about the ancient past of a planet's surface. Explore more with four new captioned images from HiRISE. (Narration: Tre Gibbs) Fri, 08 Feb 2019 12:00:00 GMT 3:03 false HiRISE/University of Arizona A new impact crater helps start out our first podcast for 2019. (Narration: Tre Gibbs) Fri, 25 Jan 2019 12:00:00 GMT 3:36