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Melbourne Solar System Trail Historical Markers
This series is for the set of markers found along the Solar System Trail. See “Solar System Trail” (https://stkildamelbourne.com.au/wp-content/uploads/2015/11/Solar_System_Self_Guided_Trail_web_friendly.pdf) for more information.
By Dean Barton-Ancliffe, September 29, 2026
Neptune Model and Marker
1 ► Australia, Victoria, Port Phillip, Port Melbourne — 9 — Neptune — The coldest planet — Solar System Trail —  |
| 2 ► Australia, Victoria, Port Phillip, Saint Kilda West — 7 — Saturn — The spectacular ringed planet — Solar System Trail — |
| 3 ► Australia, Victoria, Port Phillip, St Kilda — 4 — Earth — The Planet of Life — Solar System Trail — |
| 4 ► Australia, Victoria, Port Phillip, St Kilda — 6 — Jupiter — Largest planet and the first gas-giant — Solar System Trail — |
| 5 ► Australia, Victoria, Port Phillip, St Kilda — 5 — Mars — The Red Planet — Solar System Trail — |
| 6 ► Australia, Victoria, Port Phillip, St Kilda — 2 — Mercury — The smallest and closest planet to the Sun — Solar System Trail — |
| 7 ► Australia, Victoria, Port Phillip, St Kilda — 0 — Proxima Centauri — The nearest star to the Sun — Solar System Trail — |
| 8 ► Australia, Victoria, Port Phillip, St Kilda — 1 — Sun — The star at the centre — Solar System Trail — |
| 9 ► Australia, Victoria, Port Phillip, St Kilda — 3 — Venus — The brightest and the hottest planet — Solar System Trail — |