The Planetary Society
Gallery · APOD
NASA Science
Not all those who wander are lost. A night sky example is that planets wander, and in fact the very word "planet" comes from "wandering star" in Greek. As planets shift relative to fixed stars, they may appear from our perspective to get closer to other astronomical objects. Such meetings are called conjunctions. They don't happen by chance, but follow the precise laws of celestial mechanics. This peaceful image…
- Credit
- APOD · NASA — public domain
- Release
- ap261112
- Licence
- Credit as published
- Published
- Source
- APOD release page
- Full size
- Original file