11P Science

Today we finally started the real astronomy with the planets and the model of the solar system. What strikes me every time I set one of those up is how huge the sun is compared to the planets, and how unspeakable vast space is. Remember that is only our solar system – its a great deal vaster when you start mapping the spaces between the galaxies, or within the galaxies too. If you feel the need to do some homework, do the question 3 from page 76.