Two New Moons for Jupiter

[pokerfan]

I remember when there were only twelve...

Last September, two satellites – the smallest ever discovered – were found orbiting Jupiter.

That brings the number of Jovian moons to a whopping 67, Scott Sheppard of the Carnegie Institution of Washington told Universe Today. The moons – each about 1 km in size – are very distant from Jupiter. It takes the tiny satellites 580 and 726 days to orbit the gas giant.

http://www.universetoday.com/93473/two-new-moons-for-jupiter/

[marybourg]

1. I remember when there were only

4. At least I think I do.

[LongTomH]

2. When I was young - back in the Late Stone Age - there were 12

The four Galilean satellites - Io, Ganymede, Callisto and Europa, and 8 smaller moons. The flybys of the Pioneers and Voyagers added a bunch; then the Galileo orbiter. Now, with improvements to the big Earth-bound telescopes, we keep adding every year.

[immoderate]

3. I remember being tested in school. The "correct" answer then, was 12.

There were 4 big ones. That's still true.
--imm

[Odin2005]

4. When I was in school it was 16, IIRC.