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Red Planet Day
| Date | Event | Place |
|---|---|---|
| Nov 28, 2025 | Red Planet Day 2025 | World |
| Nov 28, 2026 | Red Planet Day 2026 | World |
Information about Red Planet Day
The tenuous atmosphere of Mars, visible on the horizon in this low-orbit photo.
Significance: Red Planet Day honors the planet Mars, which is referred to as the "Red Planet" because it appears red in color. Mars is the fourth planet from the Sun and the second smallest planet in the Solar System, after Mercury.
Type:
Appreciation Days
Celebrations:
Reading up about Mars; viewing pictures of Mars
Location:
World
Initiator:
Astronomers
Start year:
1964
Related:
