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Wearing a wet suit and a life vest, Dr. James Allen poses for a photo on the deck of a ship in the North Atlantic prior to dropping a sensor into the water.

Dr. James G. Allen

NASA Earth science data help scientists like Dr. James G. Allen develop processes for better satellite retrievals of ocean parameters.

Data User Story

Nov. 30, 2023

Data Tool in Focus: The Sub-Orbital Order Tool

The Atmospheric Science Data Center’s Sub-Orbital Order Tool helps users locate, access, and download sub-orbital data quickly and easily.

Feature Article

Nov. 28, 2023

Black Marble Nighttime Blue/Yellow Composite (Day/Night Band) of Florida on 21 November 2023 from the VIIRS instrument aboard the Suomi NPP satellite

Florida's Night Lights

Image captured on Nov 21, 2023, by the VIIRS instrument aboard the joint NASA/NOAA Suomi NPP satellite.

Worldview Image of the Week

Nov. 21, 2023

High Aerosol Optical Depth over India

True color corrected reflectance image acquired Nov 15, 2023, by the VIIRS instrument aboard the joint NASA/NOAA Suomi NPP satellite and overlaid with aerosol optical thickness values.

Worldview Image of the Week

Nov. 16, 2023

ACTIVATE's 2023 Data Webinar Materials

The ACTIVATE team hosted an open data workshop on November 13-15, 2023.

Event

Nov. 15, 2023

Celebrate GIS Day 2023

Geographic Information Systems (GIS) make it easy to see the relationships between different datasets and are a powerful tool for researchers. GIS Day celebrates this technology.

News

Nov. 14, 2023

This image from NASA Worldview shows ISS LIS Flash Count data (i.e., the pink, purple, and red dots), which provide the number of lightning flashes recorded by the LIS aboard the ISS. Red dots indicate high numbers of lightning flashes (greater than or equal to 20), while purple dots indicate the fewest flashes.

Lightning Imaging Sensor’s Nearly 25-Year Data Record Ends

The Lightning Imaging Sensor measured the amount, rate, and radiant energy of lightning around the globe both day and night.

Feature Article

Nov. 13, 2023

A square image showing nitrogen dioxide levels over the New York City region. Red and yellow areas indicate areas of high nitrogen dioxide concentrations.

Air Pollution by the First-Light of Day

Videos from NASA’s Scientific Visualization Studio reveal the brilliant view from the agency’s newest pollution-detecting sensor.

Feature Article

Nov. 9, 2023

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News

Dr. James G. Allen

Data Tool in Focus: The Sub-Orbital Order Tool

Florida's Night Lights

High Aerosol Optical Depth over India

ACTIVATE's 2023 Data Webinar Materials

Celebrate GIS Day 2023

Lightning Imaging Sensor’s Nearly 25-Year Data Record Ends

Air Pollution by the First-Light of Day

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