l the way out here to count Jupiter's moons.

- Right, let's do our own count and find out how many there are.

- Yes!

I feel a song coming on!

Okay, let's count 'em all!

Sunspot?

♪ A-one-a, a-two-a, here's what we're gonna do-a ♪ ♪ Let's count the moons of Jupiter ♪ ♪ Who knew there were so many?

♪ ♪ We got to do it carefully ♪ ♪ Just so we don't miss any ♪ ♪ They're teeny and enormous ♪ ♪ I barely can absorb it ♪ ♪ They're helped by Jupiter's gravity ♪ ♪ That's how they stay in orbit ♪ ♪ Moons, moons, so many moons ♪ ♪ Count 'em from the morning till the afternoon ♪ ♪ Metis is the closest ♪ ♪ Adrastea right behind it ♪ ♪ Amalthea is the red one ♪ ♪ So it's not too hard to find it ♪ ♪ And Thebe and four big moons found by Galileo ♪ ♪ Europa is an ice ball ♪ ♪ Io has volcanoes ♪ ♪ Ganymede's the biggest ♪ ♪ As big as Mercury is ♪ ♪ Callisto's second biggest ♪ ♪ Let's go out and see where she is ♪ ♪ Then we orbit farther out to where the outer moons are ♪ ♪ They're all the kids of Jupiter ♪ ♪ But their names get pretty bizarre ♪ [together] ♪ Moons, moons, so many moons ♪ ♪ Count 'em from December till the month of June ♪ - ♪ Themisto, Elara, Himalia, Leda ♪ ♪ Carpo, Euporie, Carme, Lysithea ♪ ♪ Thelxinoe, Euanthe, Helike, Praxidike ♪ ♪ Mneme, Orthosie, then Iocaste ♪ ♪ Harpalyke, Hermippe, Thyone, Ananke ♪ ♪ Herse, Aitne, Taygete, Chaldene ♪ ♪ Kale, Erinome, Aoede, Kalyke ♪ ♪ Kallichore, Callirrhoe, Eurydome, Pasithee ♪ ♪ Kore, Cyliene, Eukelade, Pasiphae ♪ ♪ Hegemone, Arche-- don't forget Isonoe ♪ ♪ That's only half the moons that Jupiter can boast-a ♪ ♪ Among the planets in the solar system ♪ ♪ That's the most-a ♪ ♪ 67 is a lot for keeping track of ♪ ♪ Moons are something Jupiter has got no lack of ♪ [together] ♪ Moons, moons, so many moons ♪ ♪ 67, 67 ♪ ♪ Moons, moons, so many moons ♪ ♪ Count 'em from the morning till the afternoon ♪ [cheering]