earth & space

• What is a Star?

  Is an object made up of gas. It’s luminous and a result of nuclear reactions
• What is a Nebula?

  Cold clouds of dust and gas
• Nuclear Reactions


  Nuclear reactions that take place in a star occur between two hydrogen atoms, the fusion releases heat and light which causes stars to shine
• Whats a universe?

  A universe contains all matter including stars, galaxies and solar system
• Whats a Galaxy? 


  A collection of millions or billions of stars. There are billions of galaxies in the universe
• What does Orbit mean?


  Curved path of a celestial object or spacecraft round a star, planet or moon
• Whats a Satellite?

  A body placed in orbit round the earth, moon or another planet for information
• What are Moons?

  Are objects found revolving around planets in our solar system.
• Whats gravity?

  the force that attracts a body towards the centre of the earth
• Whats a Planetary?

  the relating to or belonging to planets