Complete lesson PPT with learning outcomes, new knowledge and activities detailed on the slides. The resource is designed to be used with the Activate Activity Sheet - What is in the Universe? although it is possible to use it without the printed sheets. Included is a link to the Hubble website video 'Tonight's Sky' which is updated monthly; a 'Hunt the alien' game; and a section on satellites. The lesson is ready to go and is designed to support pupils aiming for developing and secure outcomes. All pupils should be able to name some objects in the night sky; most pupils should also be able to place some of these objects in size order; whilst some pupils should, in addition, be able to describe the objects they can see in the night sky and the structure of the Universe. Keywords include satellite, Earth, Moon, planet, Sun, star, Milky Way, Universe, galaxy, meteor, comet, and meteorite. Further information and pupil activities can be found on pages 148 and 149, of the blue Activate 1 KS3 Science Textbook.