Across
- 1. "An extremely luminous and distant celestial object that emits massive amounts of energy, believed to be powered by accretion onto a supermassive black hole"
- 4. Star, "Incredibly dense celestial object composed mainly of neutrons, formed from the remnants of a massive star after a supernova explosion"
- 8. "Force of attraction between objects with mass, responsible for holding planets in orbit around the Sun"
- 9. "Group of stars forming a recognizable pattern in the sky"
- 13. Hole, "Region in space with gravitational forces so strong that nothing, not even light, can escape its gravitational pull"
- 14. Magnitude, "Measure of the brightness of a celestial object as observed from Earth, taking into account its distance and intrinsic luminosity"
- 16. Giant, "Late-stage of a star's life cycle characterized by its expanded size and reddish color"
- 17. "Celestial object consisting of ice, dust, and gas, characterized by a bright coma and often a tail when near the Sun"
- 19. Galaxy, "A type of galaxy characterized by its spiral arms, containing stars, gas, and dust arranged in a spiral pattern around a central bulge"
- 20. Dwarf, "Remnant of a low- to medium-mass star after it has exhausted its nuclear fuel, characterized by its small size and high density"
- 21. "Early stage in the formation of a star, where a dense region of gas and dust begins to contract under its gravitational pull"
- 22. "The brightest star in the night sky"
- 23. "Rocky object that orbits the Sun, typically found in the asteroid belt between Mars and Jupiter"
- 25. "Relating to the interaction of electric and magnetic fields, encompassing a broad range of phenomena and waves, including light and radio waves"
- 26. "A small celestial body that enters the Earth's atmosphere, producing a streak of light due to friction with the atmosphere; often called a shooting star"
Down
- 2. "Explosive event marking the death of a massive star, resulting in a brilliant burst of light and the release of vast amounts of energy"
- 3. "Highly magnetized rotating neutron stars that emit beams of electromagnetic radiation, observed as periodic pulses of radiation"
- 5. Spectrum, "Range of all possible wavelengths of electromagnetic radiation, including radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays"
- 6. "Nuclear reaction that powers the Sun and stars"
- 7. "Apparent shift or change in the position of an object when viewed from different perspectives, used to measure distances in astronomy"
- 10. Star, "Pair of stars orbiting around their common center of mass"
- 11. Diagram, "Graph that plots the luminosity and temperature of stars, revealing their evolutionary stages"
- 12. "The tendency of an object to resist changes in its motion or rest"
- 15. Magnitude, "Measure of the intrinsic brightness of a celestial object, indicating its brightness as if it were located at a standard distance of 10 parsecs (32.6 light-years)"
- 18. "A measure of the amount of matter in an object or celestial body"
- 24. nebula, "Cosmic cloud from which our solar system formed"