Labels:text | screenshot | diagram | cartoon OCR: The Earth waits while the team at the NASA Years before a. MOON Space Center is working very hard ... guidance engineer Apollo 13. Don't hod worked out & worry. We've found It's amazing we way to navigate in something in the found this! space without stars. He computer to help. used the Sun and the Earth's and Moon's I hope this terminator lines which works. can always be sighted. Moon's s Terminator Line SUN Earth's Astronauts must have com- Termina- puter programs to steer their tor Line spaceship. The programs need Apollo 13 someplace to start, a point in space like a star. EARTH 21
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