Knovel Engineering e-books provides access to hundreds of authoritative engineering reference books providing materials property data and industrial process information with interactive capabilities that include data searching and retrieval into Excel, interactive graphing, unit conversion and a widget that makes it easy to access and use these features from anywhere. Select Property Search on the left to find material and chemical property data.
An authoritative resource consisting of tables of data and current international recommendations on nomenclature, symbols, and units, this work continues to be the most accessed and respected scientific reference in the world. Important! To access all of the Handbook contents, you need to create a "personal workspace" within the online platform. To do this click the "Create a personal workspace" link below.
The Digital Library for Physics, Astrophysics, and Instrumentation, the Astrophysics Data System (ADS) is a NASA-funded project which maintains searchable bibliographic databases for these fields and provides full-text scans of some scholarly astronomical literature.
The Planetary Data System (PDS) is a long-term archive of digital data products returned from NASA's planetary missions, and from other kinds of flight and ground-based data acquisitions, including laboratory experiments. But it is more than just a facility - the archive is actively managed by planetary scientists to help ensure its usefulness and usability by the world wide planetary science community.
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.