1.   As the spacecraft flies past Pluto, it will send back surface and atmospheric data gathered in photographs and by myriad sensing instruments.

2.   Four times, American spacecraft have flown by Jupiter for fleeting but intriguing glances.

3.   To win, your spacecraft must fly three people into space twice in two weeks.

4.   The Galileo spacecraft flew by Earth twice on its way to Jupiter.

5.   The spacecraft apparently flew too close to the Martian atmosphere and broke apart or burned up, the space agency said.