Play Bb/G like this:
e|--3-----|
B|--3-----|
G|--3-----|
D|--3-----|
A|--1-----|
E|--1-----|

Intro: F Bb  Bb/G  Cm  F#  F

Bb (x1333x@1)       Bb/GAll (20222x@1)of the astronauts
    CmChampagne (x3101x@1)in plastic cups
F# (244322@1)             FWaiting (133211@1)for the big hero to show.
Bb (x1333x@1)       Bb/GOutside (20222x@1)the door he stands
   CmHis (x3101x@1)head in his hands
F# (244322@1)         FAnd (133211@1)his heart in his throat.

Chorus:
Eb (x43121@3)           BbWhat (x1333x@1)can he tell them now?
Eb (x43121@3)     CSorry (x32010@1)I let you down
Eb (x43121@3)    F (133211@1)     BbSorry (x1333x@1)it wasn't quite true.
Eb (x43121@3)       BbDon't (x1333x@1)get hung up on it
Eb (x43121@3)       CJust (x32010@1)soldier on with it.
Eb (x43121@3)              F (133211@1)           BbAnd (x1333x@1)good luck with shooting the moon.

Shooting the moon

Shooting the moon

The moon

Shooting the moon.

Verse 2:
All of the principals, generals, admirals
And the podium lit with the spotlight
The crowd buzzes quietly
Waiting expectantly like it's opening night

Repeat Chorus

Enjoy! :D