NASA geologist Bob Anderson explains that the mysterious object in the Perseverance photo is actually Martian dust particles, which appear elliptical under microscopic examination; the yellow sky on Mars is caused by iron oxide in atmospheric dust particles that absorb blue light, creating the distinctive yellow coloration observed on the Martian surface.
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NASA Solves The Mars MysteryAdded:
Let's check in with NASA geologist Bob Anderson.
>> First, is this all a hoax?
>> You can tell that this is a real Martian image because the sky is not blue, it's yellow, which is exactly what you would see on the surface of Mars.
>> Dust particles in the Martian atmosphere are high in iron oxide, which absorbs [music] blue light and creates a yellow sky.
So, what about an aircraft? Well, believe it or not, a helicopter named Ingenuity hitched a ride with Perseverance. [music] It has successfully flown on Mars at least 11 times. So, could Ingenuity be what's in the picture?
>> You see the shape of it is a very distinct box with [music] four legs from it with the propellers that are turning, and you don't see any of those features in this object here.
>> Okay, so it's not Ingenuity, but [music] Anderson does see a familiar shape in the picture.
>> We take a look at this object in real close. It's in a more of an elliptical shape, and so it's very indicative of dust particles that we've been studying on Mars with the microscope.
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