Space and Spacecraft Resources online

There is a huge number of space-related websites - below is just a small sample of some of the main sites:

The main NASA website can be found at http://www.nasa.gov/
There are various sub-sites associated with NASA.   For example:
NASA Saturn missions (principally Cassini) can be found at http://saturn.jpl.nasa.gov/
NASA Mars missions at http://marsprogram.jpl.nasa.gov/
The website of the NASA Orbital Debris Office can be found at http://www.orbitaldebris.jsc.nasa.gov/
A Solar System Simulator can be run from http://space.jpl.nasa.gov/
A spectacular gallery of Hubble Space Telescope images can be found at http://hubblesite.org/
The NASA Human Spaceflight gallery is a fantastic resource, showing all the latest imagery from shuttle and International Space Station missions.   It also provides an archive of images going back to the Mercury program days.   It can be found at http://spaceflight.nasa.gov/gallery/
If you are interested in nurturing an interest in backyard astronomy/star gazing, then the following webpage is a useful resource: https://www.homeadvisor.com/r/home-science-backyard-astronomy/
The following site provides a number of resources for young folk: www.elevators.com/space-elevators-astronomy/

The main European Space Agency (ESA) website can be accessed through the ESA Portal at http://www.esa.int/
This has details of all the ESA Establishments and ESA missions, as well as a superb multi-media gallery.

If you would like to see satellites, such as the shuttle and the International Space Station, cross the sky at night from your location
then an excellent site to provide predictions for the passes can be found at http://www.heavens-above.com/

This page obviously gives only a small sample of what is available on the internet.  Please google any topic of interest using www.google.co.uk (or your national equivalent).

The home institution of the author can be found online at http://www.southampton.ac.uk/ses/