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View of the Steven F. Udvar-Hazy Center tower at sunset

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Subsurface view of Miyamoto crater in Meridiani Planum

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  3. Subsurface View of Miyamoto Crater In Meridiani Planum
  • Partial subsurface view of a Martian crater that reveals curved features pointed out by white upward facing arrows that are timed separately from the radar pulses from the sounder used to gather the view (pointed out using white downwards facing arrows).
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    A subsurface view of Miyamoto crater in Meridiani Planum from the MARSIS radar sounder.  Located west of the Opportunity rover landing site, Miyamoto impact crater is approximately 160 kilometers in diameter (about 100 miles). Miyamoto is partially fill by the deposits that make up Meridiani Planum, leaving a portion of the crater floor exposed (about half the crater is shown in this 3D view). MARSIS sounder data, collected along a track cutting across Miyamoto, shows a curved subsurface feature (upward pointing arrows) that is offset in time delay from the surface reflection of the radar pulses (downward pointing arrows). This subsurface reflector is interpreted to be the crater floor extending beneath the Meridiani Planum deposits.  With knowledge of the thickness of the deposits, the radar sounder data allows the electrical properties of the deposits to be determined.  The curvature of the buried crater floor is an artifact of the time delay representation of the sounder data.

  • Partial subsurface view of a Martian crater that reveals curved features pointed out by white upward facing arrows that are timed separately from the radar pulses from the sounder used to gather the view (pointed out using white downwards facing arrows).

Credit:

<p>ESA/NASA/JPL/KU/Smithsonian</p>

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National Air and Space Museum

6th St. and Independence Ave SW
Washington, DC 20560

202-633-2214

Open daily
10:00 am - 5:30 pm
Free Timed-Entry Passes
Required

Steven F. Udvar-Hazy Center

14390 Air and Space Museum Parkway
Chantilly, VA 20151

703-572-4118

Open daily
10:00 am - 5:30 pm
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