Space Crossward

3. A theoretical, cold, dark stellar remnant, specifically a white dwarf that has cooled sufficiently to no longer emit light or heat.
6. The natural satellite of the earth, visible (chiefly at night) by reflected light from the sun.
7. Extremely large and luminous stars, occupying the top region of the Hertzsprung-Russell diagram.
9. The main part of the life cycle of a star
12. A dense, faint star that's the remnant of a low to medium mass star.
13. A celestial body moving in an elliptical orbit around a star.
14. A powerful stellar explosion that mars the death of a massive star.

1. A massive,compact astronomical object so dense that its gravity prevents anything from escaping, even light.
2. A young star
4. The collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets. The planets of the solar system are (in order of distance from the sun) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
5. A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
8. A highly dense and compact remnant of a massive star that has undergone a supernova explosion.
10. A star that is bigger and has a larger lumonisity than a standard star with the same surface temperature..
11. Where are stars born?
14. The star around which the earth orbits.