NASA scientists have photographed a few clouds on the planet

23 Septembre, 2018, 19:55 | Auteur: Therese Cote
  • Polar mesospheric clouds observed by NASA's PMC Turbo mission as it flew over the Arctic in July 2018

"From what we've seen so far", said Dave Fritts, principal investigator of the PMC Turbo in a statement, "we expect to have a really spectacular dataset from this mission". These clouds' blue and white brightness is visible from the Earth's poles after summer sunsets. Data from these mists, known as noctilucent clouds or polar mesospheric mists (PMCs), may enable researchers to all the more likely comprehend disturbance in the air, and also in seas, lakes and other planetary airs, NASA said in an announcement on Thursday, 20 September. Using detailed data from the meteorological sensors, the researchers found that the color of clouds (dark gray to blue) is affected by the presence of small particles of ice that are in the upper atmosphere.

"Our cameras were likely able to capture some really interesting events that we hope will provide new insights into these complex dynamics", Fritts added. The waves assume real jobs in exchanging vitality from the lower climate to the mesosphere.

NASA's PMC Turbo mission is equipped with seven specially designed high-resolution cameras to image polar mesospheric clouds and measure gravity wave breakdown and turbulence.

"This is the first time we've been able to visualize the flow of energy from larger gravity waves to smaller flow instabilities and turbulence in the upper atmosphere", said Fritts.

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"At these altitudes, you can literally see the gravity waves breaking-like ocean waves on the beach-and cascading to turbulence", he added. "From the lidar measurements, we can infer the vertical structure of the waves, thus providing important data which would have not been available from the imaging experiment alone".

Impressive shots good not only because it visually looks nice, but the fact that a more thorough study of the Earth's atmosphere, weather will be able to make much more accurate.

Scientists want to understand the processes of matter in near-Earth space, including how matter there interacts with Earth's atmosphere and weather. AIM tracks extensive scale includes in the clouds over a worldwide scale, however, can just goal includes several miles over.

The PMC Turbo payload was successfully recovered from its landing site in the Canadian Arctic and the recovered instruments are expected to contribute to future missions, including one anticipated to fly next December over Antarctica.



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