Space crossword

2. group of stars that appears to form a pattern or picture
3. Point that is orbited by sun and jupiter
4. gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter
9. a Russian astronaut.
10. speculative structure linking disparate points in spacetime
11. a planet which orbits a star outside the solar system.
12. hypothetical group of multiple universes
13. a star of relatively small size and low luminosity

1. object in space that orbits or circles around a bigger object
3. region of spacetime where gravity is so strong that nothing—no particles or even electromagnetic radiation such as light—can escape from it
5. matter which is composed of the antiparticles
6. giant a large planet such as Jupiter or Saturn that consists mainly of hydrogen and helium
7. piece of stone-like or metal-like debris which travels in outer space.
8. all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy
9. icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process called outgassing