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File:Perseverance's Mastcam-Z Captures a Phobos Solar Eclipse (PIA25179).webm

Original file ‎(WebM audio/video file, VP9, length 50 s, 720 × 720 pixels, 75 kbps overall, file size: 459 KB)

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Description
English: PIA25179: Perseverance's Mastcam-Z Captures a Phobos Solar Eclipse

NASA's Perseverance Mars rover used its Mastcam-Z camera system to shoot video of Phobos, one of Mars' two moons, eclipsing the Sun. It's the most zoomed-in, highest-frame-rate observation of a Phobos solar eclipse ever taken from the Martian surface.

Several Mars rovers have observed Phobos crossing in front of the Sun over the past 18 years. Spirit and Opportunity made the first observations in 2004; Curiosity in 2019 was the first to record video of the event. Each time these eclipses are observed, they allow scientists to measure subtle shifts in Phobos' orbit over time. The moon's tidal forces pull on the deep interior crust and mantle of the Red Planet; studying how much Phobos shifts over time reveals something about how resistant the crust and mantle are, and thus what kinds of materials they're made of.

It's long been known that Phobos is drifting toward the Martian surface year by year; tens of millions of years from now, it is expected to crash into the planet or fragment into chunks that will impact the planet. Studying Phobos' orbit also allows scientists to refine predictions of when the doomed moon will crash into Mars.
Date
Source https://photojournal.jpl.nasa.gov/catalog/PIA25179
Author NASA/JPL-Caltech/ASU/MSSS/SSI
This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA25179.

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Licensing

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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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Date/TimeThumbnailDimensionsUserComment
current05:12, 26 July 202250 s, 720 × 720 (459 KB)Huntster (talk | contribs)Imported media from https://photojournal.jpl.nasa.gov/archive/PIA25179.mp4

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Format Bitrate Download Status Encode time
VP9 720P 38 kbps Completed 05:12, 26 July 2022 39 s
Streaming 720p (VP9) Not ready Unknown status
VP9 480P 24 kbps Completed 05:12, 26 July 2022 28 s
Streaming 480p (VP9) Not ready Unknown status
VP9 360P 15 kbps Completed 05:12, 26 July 2022 21 s
Streaming 360p (VP9) Not ready Unknown status
VP9 240P 12 kbps Completed 05:12, 26 July 2022 16 s
Streaming 240p (VP9) 13 kbps Completed 12:05, 5 December 2023 0.0 s
WebM 360P 104 kbps Completed 05:12, 26 July 2022 12 s
Streaming 144p (MJPEG) 413 kbps Completed 16:59, 18 November 2023 3.0 s

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