The Nebular Theory Crossword

This printable crossword puzzle has 11 clues. Answers range from 6 to 23 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

What is the attractive force between all things?
What is a cloud of dust in space that is beyond the milky way?
What was it called when the solar system was created?
What was it called when the nebula collapsed?
What is the early stages of the star forming?
What do you call it when the solar system starts to form?
What do you call when the sun starts to form?
What do you call the explosion that happened 4.6 billion years ago?
What do you call it when the planets got organized?
What is the final stage of completion of the planets?
What is our solar system now?