Space & Atmospheric Sciences


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Atmospheric Science is the investigation of the earth's gaseous envelope. Experiments performed at Arecibo measure upper atmosphere composition, temperature and densities in order to understand the controlling physical processes. The Arecibo Radio Telescope can measure the growth and decay of disturbances in the changing layers of charged particles which populate the region known as the ionosphere ( altitudes above 30 miles ). The "big dish" is also used to study plasma physics processes in the electrically charged regions of the earth's atmosphere. where radio waves are influenced most.




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Space & Atmospheric

Even before the newest AO facility is complete, students and scientists are already hard at work on the relevant science projects. The Culebra Aerosol Research Lidar (CARLA) facility, which began construction in March of 2020, will be used to track aerosols in the atmosphere. Of particular importance is the study of the Saharan dust in the air, which affects air quality and hurricane formation in the Atlantic and Greater Caribbean region. June 2020 saw a uniquely strong dust plume event, causing noticeably dimmer skies as far west as Texas. + Read More



Space & Atmospheric

Forty-eight tons (44,000 kilograms) of material from space fall onto the Earth each year. These meteoroids experience ablation and sputtering in the atmosphere, leaving behind metal and ion deposits that form thin layers in the ionosphere. Read More



Space & Atmospheric

A unique, high-altitude plasma cavity formed over Arecibo during an ionospheric heating campaign conducted at the observatory in June of 2019. Simultaneously, the Arecibo Incoherent Scatter Radar (ISR) collected measurements of the narrow cavity, revealing an exceptionally deep depletion of the electron density and a strong enhancement of the electron and ion temperatures. Read More



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