How many light years away are some of the solar systems closest to our own?

I asked a similiar question earlier in regards to research for a writing project I am doing, and got some great help, but want to be more specific in this one. I recall reading an article where planets had been… Continue Reading

Astronomy and revolutions in our thinking?

How did our view of ourselves and our world change as a result of: Nicolaus Copernicus’s scientific theory of a sun-centred solar system the invention and development of the telescope, from Galileo’s 1609 telescope to the 1990 launch of the… Continue Reading