Vocabulary: Our Solar System and Beyond

123456789101112
Across
  1. 2. a process where small atoms combine to form a larger one, releasing energy
  2. 4. a well-tested explanation about how something in space works, like how planets form or how the universe began
  3. 5. the rising and falling of ocean water on Earth caused by the gravitational pull of the Moon and the Sun
  4. 7. the study of space, including planets, stars, moons, and everything beyond Earth
  5. 9. a huge system of stars, planets, gas, and dust held together by gravity
  6. 11. extremely large in size, like a huge planet or a massive star
  7. 12. a large cloud of gas and dust in space where new stars can form
Down
  1. 1. the force that pulls objects toward each other, keeping planets in orbit around the Sun
  2. 3. a temperature scale used to measure how hot or cold something is
  3. 6. what is normal or expected, like a planet having an orbit and gravity
  4. 8. having a large amount of matter or mass, like a black hole or a giant planet
  5. 10. the path an object follows as it moves around another object in space