Astronomy

2. A group of stars forming a recognizable pattern in the sky.
6. The path an object takes around another object in space.
8. A stellar explosion that releases an enormous amount of energy.
11. A celestial object with a bright coma and tail, often visible from Earth.
13. An optical instrument that gathers and magnifies distant light.
14. Pertaining to the sky or heavens.
15. A vast system of stars, gas, and dust bound together by gravity.

1. The study of celestial bodies' positions to predict earthly events.
3. A high-energy astronomical object with a powerful and active nucleus.
4. A planet that orbits a star outside our solar system.
5. matter Invisible and undetectable matter that does not emit light.
7. hole A region of spacetime exhibiting gravitational attraction so strong that nothing can escape from it.
9. A cloud of gas and dust in space, often where stars are born.
10. The distance light travels in one year, used as a unit of astronomical measurement.
12. system The collection of planets and other celestial bodies orbiting the sun.