Âé¶¹ÒùÔº

Search results for aerosolization

Earth Sciences Apr 28, 2025

NASA 3D wind-measuring laser aims to improve forecasts from air, space

Since last fall, NASA scientists have flown an advanced 3D Doppler wind lidar instrument across the United States to collect nearly 100 hours of data—including a flight through a hurricane. The goal? To demonstrate the ...

Analytical Chemistry Apr 28, 2025

Atmospheric reaction between Criegee intermediates and water found to be unexpectedly fast

Criegee intermediates (CIs)—highly reactive species formed when ozone reacts with alkenes in the atmosphere—play a crucial role in generating hydroxyl radicals (the atmosphere's "cleansing agents") and aerosols that impact ...

Earth Sciences Apr 28, 2025

Geoengineering technique could cool planet using existing aircraft

A technique to cool the planet, in which particles are added to the atmosphere to reflect sunlight, would not require developing special aircraft but could be achieved using existing large planes, according to a new modeling ...

Space Exploration Apr 21, 2025

Delivering payloads to Mars with CHAMPS

Through its "Moon to Mars" program, NASA plans to send the first crewed missions to Mars by the end of the next decade. To fulfill this bold vision, the agency is investigating advanced technologies through numerous programs. ...

Space Exploration Apr 18, 2025

NASA's Glenn to test lunar air quality monitors aboard space station

As NASA prepares to return to the moon, studying astronaut health and safety is a top priority. Scientists monitor and analyze every part of the International Space Station crew's daily life—down to the air they breathe. ...

Environment Apr 17, 2025

Study clarifies potential drivers of toxic elements along elevational gradients in terrestrial ecosystems

The accumulation of toxic elements poses a significant threat to terrestrial ecosystems, with the patterns and influencing factors of this accumulation being complex. However, elevational patterns of toxic elements in montane ...

Planetary Sciences Apr 17, 2025

Testing in the clouds: NASA flies to improve satellite data

In February, NASA's ER-2 science aircraft flew instruments designed to improve satellite data products and Earth science observations. From data collection to processing, satellite systems continue to advance, and NASA is ...

Environment Apr 17, 2025

Plagued with pollution for decades, Tijuana River ranked nation's second most endangered

The Tijuana River has been plagued with raw sewage and industrial waste from Tijuana for decades, fouling beaches along the U.S.-Mexico border with polluted water and sending foul odors drifting through communities in San ...

Environment Apr 15, 2025

AI-powered algorithm enhances satellite monitoring of air pollution

A research team led by Prof. Shi Chong from the Aerospace Information Research Institute (AIR) of the Chinese Academy of Sciences, in collaboration with Japanese scientists, has made a significant advancement in satellite-based ...

Environment Apr 15, 2025

Three burn parameters can make prescribed forest fires burn safer and cleaner

Prescribed burns literally fight fire with more fire. Often referred to as "beneficial fires," they target areas at risk for wildfires and burn away material that could otherwise fuel a future blaze.

page 2 from 40