Within days of it being reported to Photodesk, here is the upgrade required to make Orrery function under RISC OS 4: Update.
Planet Descriptions
I wrote these updates because I felt that Orrery's descriptions were somewhat dated, and inconsistent. Fully updated, here they are: Orrery Updates.
 Orrery Setup Files
I have devised a selection of Setup files for Orrery. These are of general interest, but will be useful for schools: Setup Files.
Here's a special one for the Venus Transit of 8th June 2004! File compressed with !Squash.
 Orrery Graphics Files
I have manipulated recent Hubble Space Telescope images of Uranus and Pluto for inclusion in Orrery. Much better than an artist's impression... I have also included updates to the description files for the two planets: Graphics Files.
 Orrery Lesson Notes
A complete set of professionally-written teaching notes for GCSE and pre-GCSE use, in Impression Publisher format : Orrery Lessons
(To download a free copy, see Computer Concepts' website)
If you teach GCSE-level Astronomy, you might be interested in the GCSE Help page. If you are teaching A-level Astrophysics or Cosmology, you should check out the A-level Help page.
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Mythical Planet Icons
Each of the planets has a symbol to represent them. Hand-drawn, I have made the files available in various formats. Click on the image for a 10K GIF.
Software Links
PC link: free ephemeris software.
The software below is all for RISC OS. If you have a PC or Mac, I recommend that you get Redshift 4. There are more PC/Mac titles here.
If you have software that you want linked, email me!
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