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Provides chemical information including physical and chemical properties, reactions, and patents. Coverage: 1907 to present
SciFinder covers a wide spectrum of science-related information, including chemistry, biochemistry, chemical engineering, and related sciences. It includes content curated by scientists, including substances, Markush and reaction information, patents, documents, experimental and predicted properties, and spectra.
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Centre de Données astronomiques de Strasbourg "hosts the SIMBAD astronomical database, the world reference database for the identification of astronomical objects; VizieR, the catalogue service for the CDS reference collection of astronomical catalogues and tables published in academic journals; and the Aladin interactive software sky atlas for access, visualization and analysis of astronomical images, surveys, catalogues, databases and related data."
"The HEASARC archive contains data obtained by high-energy astronomy missions observing in the extreme-ultraviolet (EUV), X-ray, and gamma-ray bands, as well as data from space missions, balloons, and ground-based facilities that have studied the relic cosmic microwave background (CMB) radiation in the sub-mm, mm and cm bands."
"NED is a comprehensive database of multiwavelength data for extragalactic objects, providing a systematic, ongoing fusion of information integrated from hundreds of large sky surveys and tens of thousands of research publications."
"IRSA's holdings consist of data products from NASA's infrared and submillimeter projects and missions, as well as contributed data sets. These holdings include all-sky surveys in 20 bands, 88 billion rows of catalog data, 100 million images, and over 100,000 spectra."
NASA's Space Physics Data Facility provides a variety of data sets, including magnetospheric data and nearby solar wind data; near-Earth solar wind magnetic field and plasma data; energetic particle flux data; and deep-space spacecraft hourly resolution data.