This will calculate the amount of space you need to create a scale model of the Solar System based on the size you'd like the Sun to be. The bigger the Sun, the more room you will require. If you decide to make the Sun just 10 millimetres in diameter, then you should be able to use a standard roll of toilet paper to construct the model on, if the ... Read full entry

Sun's properties not "fine-tuned" for life It turns out the type of star our Sun is, a G star by the way, doesn't make it anymore conducive to hosting life bearing planets than any other star type. There's nothing special about the Sun that makes it more likely than other stars to host life, a new study shows. The finding adds weight to the idea that alien life should ... Read full entry

Hope dims that Earth will survive Sun's death Hopes that planet Earth may survive the Sun's red giant phase, which will occur in a couple of billion years time (hopefully later rather than sooner), have been dashed by a recent study into the eventuality. In a few billion years, the Sun will fuse the last of its hydrogen into helium, turn into a red giant and expand to 250 times ... Read full entry