PPARC resources - www.pparc.ac.uk

SETNET - www.setnet.org.uk

Leicestershire Education Business Company - www.leicestershireconsortium-ebl.org.uk

European Space Agency - www.esa.int

NASA - www.nasa.gov

Challenger Learning Network - www.challenger.org

Astronomy Information - www.heavens-above.com

National Schools’ Observatory - www.schoolsobservatory.org.uk