Science, Maths & Technology
In the night sky: Orion
...class G2, around 4.56 billion years old. The Sun is not particularly special – but it does have a system of planets orbiting it. Possession of a planetary system implies the presence of dust, which comes from recycling of stellar nucleosynthetic products. Remember back in Week 2, you learned that some stars go through a progression through the elements, burning hydrogen...
