Io

Io

Innermost large moon of Jupiter, whose eclipses Ole Rømer used in 1676 to show that light takes time to travel.

Object

Over time

observed by
Ole Rømer

Click the lanes or press Next change to see a moment.

Identifiers
Wikidata Q3123

Relations

observed by:
  • Ole Rømersince Nov 1676

    Sources:

Appears in2 items

Sources