Across
- 2. A location in space where gravitational forces and orbital motion balance out (13 letters)
- 4. A faint glow in the night sky caused by sunlight reflecting off interplanetary dust (12 letters)
- 9. A region of the solar system beyond Neptune filled with icy objects and dwarf planets (10 letters)
- 11. The imaginary plane of Earth's orbit around the Sun, used as a celestial reference (13 letters)
- 12. A unit of temperature measurement used in astrophysics and space science (6 letters)
- 14. The precise measurement of stars' positions and movements (10 letters)
- 17. Borealis Light displays in polar regions caused by solar wind interacting with the atmosphere (15 letters)
- 18. The glowing shell of gas expelled by a dying star in its final stages (15 letters)
- 23. A planet that orbits a star outside our solar system (9 letters)
- 24. The apparent shift in a star’s position caused by Earth’s orbit (15 letters)
- 27. A hypothetical particle that mediates the force of gravity (8 letters)
- 31. A technique using multiple telescopes to achieve higher resolution images (15 letters)
- 32. A spherical region of stars and dark matter surrounding a galaxy (11 letters)
- 33. A disk of gas and dust spiraling into a massive celestial object, like a black hole (13 letters)
- 34. A highly energetic explosion observed in distant galaxies (14 letters)
- 36. The study of the interaction of light with matter to analyze celestial objects (12 letters)
- 37. A unit of distance in astronomy equivalent to one million parsecs (10 letters)
- 38. The boundary where the Sun’s solar wind meets the interstellar medium (10 letters)
Down
- 1. The region around a star where conditions may support liquid water and life (13 letters)
- 3. The faint radiation left over from the Big Bang, detectable across the universe (16 letters)
- 5. The measure of a celestial body’s flattening due to its rotation (10 letters)
- 6. The region of space between Mars and Jupiter populated with rocky objects (12 letters)
- 7. The bending of light around massive celestial objects, amplifying distant galaxies (17 letters)
- 8. A Mars rover tasked with searching for signs of ancient life (12 letters)
- 10. The explosive death of a massive star, creating heavy elements and releasing energy (9 letters)
- 13. The study of life in the universe, including its origin and existence on other planets (12 letters)
- 15. The sequence of events in time, particularly in cosmic evolution (10 letters)
- 16. A nearly massless subatomic particle produced by nuclear reactions in stars (8 letters)
- 19. A sudden and intense burst of radiation from the Sun’s surface (9 letters)
- 20. The scientific study of the origin, evolution, and fate of the universe (9 letters)
- 21. The phenomenon of light stretching to longer wavelengths as an object moves away (8 letters)
- 22. A young star that is still forming and gathering material from a surrounding nebula (9 letters)
- 24. A point in space where density becomes infinite, such as at the core of a black hole (11 letters)
- 25. The boundary surrounding a black hole beyond which nothing escapes (12 letters)
- 26. A massive and extremely remote celestial object emitting enormous amounts of energy (6 letters)
- 28. A form of matter that does not emit light but affects the motion of galaxies (10 letters)
- 29. A highly magnetized rotating neutron star that emits beams of radiation (6 letters)
- 30. A stream of charged particles emitted by the Sun, influencing space weather (9 letters)
- 35. The speed required to break free from a celestial object’s gravitational pull (15 letters)