NASA Mars Orbiter’s Daring Flip Reveals Hidden Underground World on Red Planet

NASA Mars Orbiter’s Daring Flip Reveals Hidden Underground World on Red Planet

By
Jamie Davis

Publish Date:July 9, 2025

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📰 The quick summary: NASA’s Mars Reconnaissance Orbiter can now perform 120-degree rolls that enhance its radar capabilities tenfold, allowing scientists to see deeper beneath the Martian surface and discover previously hidden subsurface features.
📈 One key stat: The new rolling maneuver strengthens the SHARAD radar signal by 10 times or more, providing unprecedented clarity when looking up to a mile beneath Mars’ surface for ice, rock layers, and potential water resources.
💬 One key quote: “Not only can you teach an old spacecraft new tricks, you can open up entirely new regions of the subsurface to explore by doing so,” said one of the paper’s authors, Gareth Morgan of the Planetary Science Institute in Tucson, Arizona.

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1️⃣ The big picture: After nearly 20 years orbiting Mars, NASA’s Mars Reconnaissance Orbiter has learned a bold new maneuver that’s revolutionizing how we study the Red Planet. Engineers have taught the spacecraft to roll almost upside down at 120 degrees, dramatically enhancing its radar capabilities. This technique gives the SHARAD instrument an unobstructed path to the surface, eliminating signal interference from other spacecraft parts. The innovation allows scientists to search more effectively for underground ice, liquid water, and geological features that reveal Mars’ hidden history, climate patterns, and potential resources for future human missions.

2️⃣ Why is this good news: This engineering breakthrough breathes new life into a 19-year-old spacecraft, extending its scientific capabilities far beyond its original design parameters. The enhanced radar signal provides unprecedented clarity of Mars’ subsurface, helping scientists locate ice deposits that could be vital resources for future astronauts. The technique also helps detect potential habitable environments beneath the harsh Martian surface. Even the Mars Climate Sounder instrument, which experienced a mechanical failure in its pivot system, continues to function by adapting to the orbiter’s rolling capabilities, ensuring valuable atmospheric data collection continues uninterrupted.

3️⃣ What’s next: Engineers plan to streamline the process for executing very large rolls, potentially allowing more frequent use of this powerful technique. The SHARAD team aims to explore regions of Mars previously beyond the instrument’s reach, potentially uncovering new ice deposits and geological features. Scientists will continue analyzing the stronger radar signals to build a more comprehensive understanding of Mars’ subsurface, informing future landing site selections and mission planning.

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Read the full story here: SciTechDaily – NASA Flips a Mars Orbiter Upside Down – And Discovers a Hidden World

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