Io transit on Ganymede - Cool images!

Discussion in 'Science and Technology' started by trekkiedane, Aug 20, 2009.

  1. trekkiedane

    trekkiedane Admiral Admiral

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    I'll let you know when I get there.
  2. SilentP

    SilentP Commodore Commodore

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    is in a very lonely Corner of the Circle
    Nice image. Question for you astronomer buff's, is Io that much bigger than Ganymede? The shadow seems pretty huge, so either there's a big size difference, or they pass real close there.
     
  3. trekkiedane

    trekkiedane Admiral Admiral

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    I'll let you know when I get there.
    Ganymede is the largest moon in the entire Sol system, it has a mean radius of 2634.1 ± 0.3 km (0.413 Earths) Io has a mean radius of 1,821.3 km (0.286 Earths) (Wikipedia)