• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

TWINS, Two Wide-angle Imaging Neutral-atom Spectrometers, is a Mission of Opportunity under NASA's Small Explorer, SMEX, Program. TWINS-1 and TWINS-2 are the Designations for NASA-Sponsored...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

TWINS, Two Wide-angle Imaging Neutral-atom Spectrometers, is a Mission of Opportunity under NASA's Small Explorer, SMEX, Program. TWINS-1 and TWINS-2 are the Designations for NASA-Sponsored...

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• Organization: Department of the Interior
• Updated: 2024-09-18T00:00:00Z

Information on radon occurrence in groundwater systems is important to assess risks from radon exposure. For this study we developed a novel passive method to measure for dissolved radon in...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2013-05-01T00:00:00.000+00:00

The Space Environment Monitor (SEM) instruments onboard GOES 13-15 have four Energetic Particle Sensors, which include SEM/HEPAD (High Energy Proton and Alpha Particles Detector), SEM/EPEAD...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1994-05-01T00:00:00.000+00:00

The Space Environment Monitor (SEM) is a suite of instruments onboard the GOES satellite series. The objective of the SEM package is to measure solar radiation in the X-ray and Extreme Ultraviolet...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1974-07-01T00:00:00.000+00:00

*Note: This data has been reprocessed by NCEI adding quality flags and using consistent file formats across the period of record (POR). It is highly recommended that users access this version of...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1974-07-01T00:00:00.000+00:00

*Note: This dataset version has been superseded by a newer version. It is highly recommended that users access the current version. The Space Environment Monitor (SEM) is a suite of instruments...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

TWINS, Two Wide-angle Imaging Neutral-atom Spectrometers, is a Mission of Opportunity under NASA's Small Explorer, SMEX, Program. TWINS-1 and TWINS-2 are the Designations for NASA-Sponsored...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

TWINS, Two Wide-angle Imaging Neutral-atom Spectrometers, is a Mission of Opportunity under NASA's Small Explorer, SMEX, Program. TWINS-1 and TWINS-2 are the Designations for NASA-Sponsored...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1974-07-01T00:00:00.000+00:00

Solid state detectors with pulse height discrimination measure proton, alpha-particle, and electron fluxes. E1 and I1 channels are responding primarily to trapped outer-zone particles. The I2...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-04-01

X-ray measurements are critical for the understanding of cycles of matter and energy in the Universe, for understanding the nature of dark matter and dark energy, and for probing gravity in the...

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• Organization: Department of the Interior
• Updated: 2020-08-31T00:00:00Z

Two Saphymo AlphaE radon (Rn) detectors, with a measurement range of 0.54 picoCuries per liter of air (pCi/L) to 270 nanoCuries per liter of air (nCi/L), were deployed from October 2015 thru May...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2003-12-01T00:00:00.000+00:00

The Air Force Research Laboratory's Space Hazards Branch, in partnership with the National Solar Observatory at Sacramento Peak, developed a prototype instrumentation and software for the Improved...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1978-11-01T00:00:00.000+00:00

The TIROS/NOAA satellite series, also known as POES, is designed to meet the National Oceanic and Atmospheric Administration's need for operational, remote sensing products for numerical weather...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This data set contains meteorological and radiometric data from the National Center for Atmospheric Research (NCAR) Sabreliner aircraft that was collected during the 1986 First ISCCP Regional...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

NGC 6231 is a massive young star cluster, near the center of the Sco OB1 association. While its OB members are well studied, its low-mass population has received little attention. In the reference...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

The BeppoSAX High Energy Large Area Survey (HELLAS) has surveyed about 85 deg² of sky in the 4.5 - 10 keV band down to a flux of 4 - 5 x 10^-14 erg/cm²/s using 142...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-07-07T00:00:00.000+00:00

Sediment cores were collected from intertidal flats and shallow subtidal areas throughout the Coos Bay Estuary in May 2021 using a push corer or Russian peat corer as outlined in Souza et al.,...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2008-12-15T00:00:00.000+00:00

No description was provided.

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-09-01T00:00:00.000+00:00

Solar-Geophysical Data (SGD) reports were a comprehensive compilation of many different kinds of observational data of the sun's activity and its effects on the Earth. Data from the worldwide...

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