Ultraviolet (UV) is a form of electromagnetic radiation that is beyond the spectrum of visible light, that is, it has shorter wavelengths than violet light, hence the name “ultraviolet“.
One of the ways it is used is in image capture. In this sense, ultraviolet images are captured using ultraviolet light.
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To take UV images, it is necessary to use cameras or specialized equipment sensitive to this range of the spectrum. To this end, NASA has a mission titled Atmosphere and Volatile Evolution of Mars(Maven).
Another piece of information you should pay attention to is the details about our neighboring planet. It has been an object of intense space exploration. Thus, robotic missions investigate its surface and geology.
But, after all, how are Maven, ultraviolet technology, and the red planet related?
(Image: Reproduction/NASA/LASP/Boulder)
It turns out that Maven provided an unusual view of Mars that most audiences have rarely seen.
In fact, despite being called the red planet, our Martian neighbor did not appear with its typical coloring in the images.
This happened because the impressive photographs of Mars were taken by the space probe in a part different light spectrum, called ultraviolet, and were taken from different points around the planet.
The images were taken in 2022 and 2023, when Mars was at opposite points in its elliptical orbit. The first image was recorded in July 2022, during the summer period in the southern hemisphere of Mars.
This occurs when the planet is closest to the Sun in its orbit. Summer on Mars is determined by the tilt of its rotation axis, similar to the seasons we experience on Earth.
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