NASA's ADC is a resource for astronomical data, catalogs, and journal tables. Effective October 1 2002, NASA is directing ADC users to the sites listed below that provide similar services. Maintenance and updating of the ADC's Web site and services will be discontinued.

The CASI TRS database contains bibliographic citations and abstracts for publicly available aerospace documents, journal articles, and conference proceedings. It is part of the NASA Technical Report Server (NTRS).

CGRO Science Support Center;search HEASARC Archives, Software & Tools for photos, information, and updated status reports on the space observatory and projects.

Features a large searchable repository of reports on space technology.

NASA java viewer of a vast number of space objects orbital paths.

A World-Wide Web (WWW) service, from which industry has immediate access to current NASA acquisition information over the Internet. The NAIS is a collection of on-line servers operated at each NASA field installation, and all are interconnected to ease the vendor's access to all NASA acquisitions.

Search an up to date database of all NASA programs, technologies and success stories which may have commercial potential and benefits.

The NASA Technical Report Server is an experimental service that allows users to search the many different abstract and technical report servers maintained by various NASA centers and programs.

Authorized subject terms by which the documents in the NASA STI Databases are indexed and retrieved.

Helps you find NASA aerospace STI, as well as locate domestic and international STI pertinent to NASA's missions and Strategic Enterprises.

Shuttle Launch Schedule

NASA/IPEC Extragalactic Database.It is built around a master list of extragalactic objects for which cross-identifications of names have been established, accurate positions and redshifts entered to the extent possible, and some basic data collected.

PDS archives and distributes scientific data from NASA planetary missions, astronomical observations, and laboratory measurements. The PDS is sponsored by NASA's Office of Space Science.

A search service provided by th NASA Solid Earth and Natural Hazards Program.This service was created for the disaster community at-large so that the best links in disaster information could be found quickly and easily.

Forecasts of solar flares and geomagnetic storms, plus daily animations of the sun.

GSFC/NASA XML Project. The data products in the XML archive are captured in the "ADC Dataset" XML standard and are the result of a multi-year project to translate both existing and incoming data into an XML format from an older "ReadMe" ASCII standard.