Trakt for iOS
Works on iPhone and iPad.
Recent research into the area suggests the possibility of a black hole.
A discussion about why there seem to be no quasars beyond redshift 4.6.
What it is, what it looks like, and how to photograph it. Includes Hale-Bopp pics.
For the 40th anniversary episode, Patrick traced the story of the telescope, from Galileo's 16th century optik' tube to the Hubble Space Telescope and beyond. Patrick travels the world in the programme, thanks to producer Pieter Morpurgo's clever editing of 10 years' worth of carefully planned clips. lt meant Patrick could start a sentence in Africa and finish it in Greenwich.
A review of the recent Hale-Bopp comet.
Discussing the Pathfinder spacecraft landing on 4 July.
Results of Pathfinder and a look at other planets visible.
The findings in the Hipparcos Catalogue.
The Cassini/Huygens mission due to be launched.
New instruments being used on old and new telescopes.
A look a round the night sky, concentrating on the different colours of stars.
White dwarfs stars and a tribute to Paul Doherty, who died on 26 November.
