| RGO Archives/RGO 45 contains: |
| <-- See earlier |
| 261 |
Script for 'The Night Sky in April' |
| 262 |
Script for 'The Night Sky in May' |
| 263 |
Script for 'The Night Sky in June' |
| 264 |
Script for 'The Night Sky in July' |
| 265 |
Number unassigned |
| 266 |
Script for 'The Night Sky in September' |
| 267 |
Script for 'The Night Sky in October' |
| 268 |
Number unassigned |
| 269 |
Script for 'The Night Sky in December' |
| 270 |
Number unassigned |
| 271 |
Script for 'The Night Sky in February' |
| See later --> |
|
Papers of John Guy Porter
| Title |
Script for 'The Night Sky in September' |
| Reference |
RGO 45/266 |
| Covering Dates |
Sep. 1952 |
| Extent and Medium |
5 pages |
|
| Content and context |
An annotated copy of Porter's script for 'The Night Sky in September' on the Harvest Moon rising at the same time each evening; Jupiter's moons and the discovery of the 12th moon at the Mount Wilson Observatory in the previous year; the orbits of the four larger moons; Jupiter in Taurus near the Pleiades; the apparent retrograde motion of the planets; the epicycle theory and its overthrow by observation of Jupiter's moons; Milton and Galileo, Roemer and the velocity of light and its finite value. |
| Further information |
Indexed |
| Index Terms |
| Galilei, Galileo (1564-1642) scientist and philosopher |
| Roemer, Elizabeth (b 1929) astronomer |
| No further on-line information. |
|