arXiv.org
Open access preprints in Physics, Mathematics, Computer Science, Cornell University Library, Ithaka, NY
NIST Physical Reference Data
National Institute of Standards and Technology, USA (Physikalische Konstanten und Daten)
pro-physik.de
Deutsche Physikalische Gesellschaft & Wiley-VCH
AIP Center for History of Physics
includes an online portrait collection
THE NEWTON PROJECT
digitised texts including correspondence from Isaac Newton
Nano.gov
United States National Nanotechnology Initiative
NIST Nanotechnology Portal
National Institute of Standards and Technology, USA
Encyclopedia Astronautica
Mark Wade
Google Sky
Images from the Sloan Digital Sky Survey, the Digitized Sky Survey and the Hubble Space Telescope and more.
Near Earth Object Program
Jet Propulsion Laboratory Pasadena, California
The Nine Planets
A Multimedia Tour of the Solar System, B. Arnett, University of Arizona
Exoplanets
Managed by the Exoplanet Exploration Program and the Jet Propulsion Laboratory for NASA’s Astrophysics Division.
SIMBAD Astronomical Database
Contains information on 3.3 million astronomical objects.
Sky View Café
Interactive Planetarium, Kerry Shetline
Sloan Digital Sky Survey
digital map of the sky (Astrophysical Research Consortium, Apache Point Observatory, New Mexico)
Your Sky
Online Planetarium, Fourmilab, Schweiz
Accessible online within the university’s computer network:
Print holdings at the University Main Library:
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