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James Webb Space Telescope’s first pictures of Mars could reveal more concerning the atmosphere

The James Webb Space Telescope continues to be snapping its first pictures of Solar System planets, and the most recent batch could possibly be particularly useful. NASA and the ESA have shared early images of Mars, taken on September 5th, that promise new insights in to the planet’s atmosphere. Data from the near-infrared camera (NIRCam) has already been supplying a few surprises. To begin with, the giant Hellas Basin is oddly darker than nearby areas at the latest time of your day, NASA’s Giuliano Liuzzi and noted higher air pressure at the basin’s lower altitude has suppressed thermal emissions.

The JWST imagery also gave space agencies a chance to share Mars’ near-infrared atmospheric composition utilizing the telescope’s onboard spectrograph array. The spectroscopic ‘map’ (pictured at middle) shows the earth absorbing skin tightening and at a number of different wavelengths, and in addition shows the presences of carbon monoxide and water. Another research paper provides more detail concerning the Martian air’s chemistry.

Mars atmosphere composition from James Webb Space Telescope


It had been particularly tricky to record the images. Mars is among the brightest objects the James Webb telescope can easily see an issue for an observatory made to study probably the most distant objects in the universe. Researchers countered this by capturing very short exposures and using special ways to analyze the findings.

That is only the original wave of pictures and data. It will require more observations to reveal more about Mars. However, the spectral info already hints at more info concerning the planet’s materials. Liuzzi also thinks JWST studies could settle disputes on the presence of methane on Mars, potentially signalling that the Red Planet harbored life in its distant past.

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