Across
- 3. THE LARGEST CONSTELLATION IN THE NIGHT SKY,OFTEN DEPICTED AS A WATER SNAKE
- 5. A SPACE MISSION THAT LANDED THE FIRST HUMANS ON THE MOON IN 1969
- 8. THE GIANT CLOUD OF GAS AND DUST FROM WHICH STARS AND PLANETS FORM
- 12. A DEVICE THAT GATHERS AND MAGNIFIES LIGHT FOR OBSERVING DISTANT OBJECTS
- 13. THE PLANET KNOWN AS THE "RINGED GIANT"
- 14. A REGION IN A SPACE WITH A GRAVITATIONAL FIELD SO INTENSE THAT NOTHING CAN ESCAPE IT
- 15. THE PROCESS BY WHICH A STAR EXHAUSTS ITS NUCLEAR FUEL AND COLLAPSES
- 16. THE POINT IN THE SKY OPPOSITE TO THE NADIR,DIRECTLY ABOVE AN OBSERVER
Down
- 1. THE SECOND LARGE MOON OF JUPITER,KNOWN FOR ITS DARK LINEAR MARKING.
- 2. GAS THAT MAKES UP THE MAJORITY OF THE SUN'S COMPOSITION
- 4. A SPACECRAFT LAUNCHED BY NASA IN 1977 TO STUDY THE OUTER PLANETS,NOW IN INTERSTELLAR SPACE
- 6. THE ASTRONOMICAL EVENT RESULTING FROM THE MERGE OF TWO NEUTRON STARS OR NEUTRON STAR AND A BLACK HOLE COLLIDE
- 7. THE PROCESS OF STAR SHINING BRIGHTLY AS IT FUSES HYDROGEN INTO HELIUM
- 9. THE STUDY OF CELESTIAL OBJECTS AND PHENOMENA
- 10. A SMALL,ICY BODY THAT ORBITS THE SUN AND DEVELOPS A TAIL WHEN NEAR THE SUN
- 11. THE THEORY THAT THE UNIVERSE ORIGINATED FROM A SINGLE,EXTREMELY HOT AND DENSE POINT
