Tuesday , January 31 2023

Science seeks out atmospheric jets from Earth: can we reduce oxygen?


Scientists have a good understanding of this leak of the atmosphere on the night-side of the Earth, where atmospheric losses occur in high-explosive explosions. However, losses also occur during the aurora on the day-side, and Scientists want to know the location and strength of these gas sources that emerge from the Earth's atmosphere. No two output events are identical.

To get a detailed view, the researchers of the VISIONS-2 project (Visualization of Ion-outputs via NASA's Neutral Atom Sensing-2) loaded cameras and instruments on a pair of sound rockets in their mission. These small missiles can make directed flights into space, then return to Earth, a good way map the flow of oxygen during a potentially short avure.

The researchers deployed rockets in the city of Ni-Alesund, Svalbard (Norway), and awaited dawn. They were launched on December 7 this year.

The photo launched by Allison Stancil-Erwin of NASA's Vallops Flight Faciliti is a long exhibit that shows rockets when they are launched. Although this is the daylight of the planet, at this time of the year there is no natural light in Ni-Alesund. At the time of the launch, it was nautical twilight, tzv. due to the level of light that allows us to clear the horizon and move to the sea.

The photograph shows the first phases of burning and combustion of two rockets. Smoke comes from the first edition, illuminated by the traces of the other. Two-way approach has enabled scientists to receive different instruments, some of which require a rotating platform, while others require a stable platform. It has also enabled researchers to collect consecutive measurements on the rocket, which is useful for things like monitoring how solar energy changes over time.

Another photograph taken by Ahmed Ghalib equipment for the visions-2, shows the aurora in Ni-Alesund in late November 2018.

"We had an incredible experience in building this complex and capable load, integration and testing in Vallops, and then taking them to the field," he said. Doug Rovland, the chief investigator of the mission and space physicist at NASA's Goddard Flight Center.

An earlier overview of the data of the VISIONS-2 shows that the instruments seemed to return the data as expected. "I think we have seen the" atmospheric source, "" Rovland said. Data still need to be analyzed and scaled, "but we can have proof of them from multiple perspectives."

A better understanding of atmospheric losses on Earth could inform our understanding of other planets; namely, how some became empty and could be habitable. Until then, scientists can convince you in the Earth you will not soon be left without oxygen. Even with current loss rates, the Earth's atmosphere should remain for billions of years.

VISION-2 is part of the multinational initiative Grand Challenge, which includes the series 11 missile launches in the range of two years.

Source link