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Enhancing and sharing humanity’s scientific understanding of the universe since 1899. Learn more about the American Astronomical Society. Continue discovering.
AAS Canada combines world-class aviation support service experience with local market expertise. Our company is built on a rich 30-year history of diversified operational support services in Canada and incorporates global aviation leadership experience.
Applied Acoustics Systems is the world-leader in physical modeling software instrument plug-ins in VST, Audio Units (AU), RTAS, and AAX formats for professional producers and musicians running Reason, Live, Logic Pro, Pro Tools, Cubase, Reaper, Sonar, FL Studio, and many more.
AAS provides resources, education, training, and direct services such as academic accommodation plans in order that people with disabilities have an equal opportunity to access and participate in higher education.
Atomic absorption spectroscopy (AAS) and atomic emission spectroscopy (AES) is a spectroanalytical procedure for the quantitative determination of chemical elements by free atoms in the gaseous state. Atomic absorption spectroscopy is based on absorption of light by free metallic ions.
Welcome to the AAS Student Portal.
The American Astronomical Society (AAS), established in 1899, is a major international organization of professional astronomers, astronomy educators, and amateur astronomers.
The American Astronomical Society is a major international organization of professional astronomers, astronomy educators, and amateur astronomers. The AAS was established in 1899 and is based in Washington, DC.
The Astronomical Journal publishes original astronomical research, with an emphasis on significant scientific results derived from observations. Publications in AJ include descriptions of data capture, surveys, analysis techniques, astronomical interpretation, instrumentation, and software and computing.
The Astrophysical Journal is devoted to recent developments, discoveries, and theories in astronomy and astrophysics. ApJ publications constitute significant new research that is directly relevant to astrophysical applications, whether based on observational results or on theoretical insights or modeling. Learn More. History.
