THE ORIGINS OF THE SOLAR SYSTEM

12345678
Across
  1. 2. A NATURAL SATELLITE REVOLVING AROUND A PLANET
  2. 5. ONE OF THE ROCKY OBJECTS REVOLVING AROUND THE SUN THAT ARE TOO SMALL AND NUMEROUS TO BE CONSIDERED PLANETS
  3. 8. A HUGE GROUP OF SINGLE STAR, STAR SYSTEMS, STAR CLUSTERS , DUST AND GAS BOUND TOGETHER BY GRAVITY
Down
  1. 1. A LOOSE COLLECTION OF ICE AND DUST THAT ORBITS THE SUN, TYPICALLY IN A LONG, NARROW ORBIT
  2. 2. A CHUNK OF ROCK OR DUST IN SPACE, GENERALLY SMALLER THAN AN ASTEROID
  3. 3. AN OBJECT THAT ORBITS A STAR, IS LARGE ENOUGH TO HAVE BECOME ROUNDED BY ITS OWN GRAVITY.
  4. 4. THE SYSTEM CONSISTING OF THE SUN AND THE PLANETS AND OTHER OBJECTS THAT REVOLVE AROUND IT.
  5. 6. A BALL OF HOT GAS, PRIMARILY HYDROGEN AND HELIUM THAT UNDERGOES NUCLEAR FUSION
  6. 7. FOUR PEIODS OF TEMPERATURE IN EARTH