D
Deleted member 16321
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I'm almost hesitant to post this here as it's wholly a unconvincing claim. However, it's been reported by many different media sources - often unquestioningly - and has tens of thousands of views on social media so I thought it might be worth adding to the collection of claims in need of debunking.
Claim: NASA images show a crashed alien spacecraft or "flying saucer" on Mars.
This appears to be the original video claim:
The original images can be downloaded here.
https://www.uahirise.org/PSP_001918_1735
And if you're willing to open a very large 1.4GB image file the one to look at is: PSP_001918_1735_RED.JP2
I'm no expert but to my eye but looking at the same NASA image there are more than a few apparent sand dunes elsewhere in the same image file that have similar curves and shadows. The one being shared just happens to be at the end of what looks like a ravine.


Also helpful is this article on "Ghost Dunes" on Mars.
https://blogs.agu.org/geospace/2018/07/10/scientists-discover-ghost-dunes-on-mars/
Particularly this illustration of how they form over time. Figure e. looking very similar to one of the images being shared with the extraordinary claims.


Claim: NASA images show a crashed alien spacecraft or "flying saucer" on Mars.
This appears to be the original video claim:
The original images can be downloaded here.
https://www.uahirise.org/PSP_001918_1735
And if you're willing to open a very large 1.4GB image file the one to look at is: PSP_001918_1735_RED.JP2
I'm no expert but to my eye but looking at the same NASA image there are more than a few apparent sand dunes elsewhere in the same image file that have similar curves and shadows. The one being shared just happens to be at the end of what looks like a ravine.
Also helpful is this article on "Ghost Dunes" on Mars.
https://blogs.agu.org/geospace/2018/07/10/scientists-discover-ghost-dunes-on-mars/
Particularly this illustration of how they form over time. Figure e. looking very similar to one of the images being shared with the extraordinary claims.