Watch This Space
- Episode aired Aug 21, 1988
How 'empty' is space? Astronomers used to think that there was no material between the stars, or between the galaxies; they now know that there is a great deal. Patrick talks about interstel... Read allHow 'empty' is space? Astronomers used to think that there was no material between the stars, or between the galaxies; they now know that there is a great deal. Patrick talks about interstellar material with Professor Alec Boksenberg.How 'empty' is space? Astronomers used to think that there was no material between the stars, or between the galaxies; they now know that there is a great deal. Patrick talks about interstellar material with Professor Alec Boksenberg.