We also installed roof jacks (to hold up the solar array) and then a new composite shingle roof. Finally, in July, we put in a whole-house cooling fan and whole-house heat-recirculating system (as ...

The solar wind is matter that is blown from our sun, out into the whole solar system. This stream of material is coming out of the sun all the time – about a million tonnes per second.

Ever since the beginning of the Space Age, the inner planets and the Earth-Moon system have received the lion’s share of attention. That makes sense; it’s a whole lot easier to get to the Moon ...