100 Facts Stars and Galaxies covers key topics in easily-digestible, numbered facts. Every page showcases amazing illustrations and photographs that clarify difficult points for children. An amazing space book for both confident and reluctant readers aged 7+. Essential topics covered in 100 Facts Stars and Galaxies: How a star is born What happens when galaxies collide How many stars exist in the Milky Way Examples of 'I don't believe it' fascinating facts: The core of a protostar needs to ne 10 million degrees Celsius before nuclear reactions occur. White dwarfs are so dense that a single teaspoon of them could weigh 14 tonnes more than two African elephants! Supernovae explosions fling out gas and dust at high speed as fast as 30,000 kilometres per second. Activities to make learning accessible and interactive include: Make binary stars out of modeling clay. Understand how galaxies in the Universe are formed with just a balloon. Quiz question: Which is the most common gas in a nebula?