How Long is a Day?
- Episode aired Jun 4, 1965
Recent studies suggest that the day on Mercury may be two months long. Patrick Moore discusses how this affects our ideas of conditions on Mercury, and how its length of day compares with th... Read allRecent studies suggest that the day on Mercury may be two months long. Patrick Moore discusses how this affects our ideas of conditions on Mercury, and how its length of day compares with that of other planets.Recent studies suggest that the day on Mercury may be two months long. Patrick Moore discusses how this affects our ideas of conditions on Mercury, and how its length of day compares with that of other planets.