Dennis has visited observatories and space facilities in Europe, the USA, South Africa and Australia.
Meteor Crater, Arizona, USA.
Kitt Peak Observatory, Arizona, USA.
Very Large Array, New Mexico, USALocation in the movie ‘Contact’
Parkes Radio Observatory,Australia.Location of the movie‘The Dish’
Siding Springs Observatory,Australia.
Mauna Kea, Hawaii, USA.13,800 feet
Total eclipse of the Sun, off CornwallAugust 1999.
Total Solar Eclipse, Turkey, 2006.
In South Africa, Dennis was invited to the radio astronomy observatory at Hartebeesthoek.With his hosts, he climbed up and into the 26 metre dish.This dish was the first to receive Mars surface images from Mariner 4 in 1965.