Journeys in Time and Space
Journeys in Time and Space
Planet Hunting (1x4)
Ημερομηνία προβολής: Μαρ 14, 2001
Chris Riley meets the team who have discovered most of the known planets outside our Solar System, and finds out why recent events have forced astronomers to reconsider what a planet actually is.
PhD student Debbie Pearson talks about spotting stars using the world's most powerful group of telescopes - the COAST project in Cambridge.
And, investigating claims that global warming may not be entirely a man-made problem, the team examine our nearest star - the Sun.
- Πρώτη προβολή: Φεβ 2001
- Επεισόδια: 6
- Ακόλουθοι: 0
- Τελείωσε
- BBC Four
- Τετάρτη στο 20