Go silently into the unknown

I first wrote about the Voyager spacecraft a few years back.  Voyager 1, a probe launched from earth in 1977 was on the verge of entering interstellar space, that fabulous void that fills most of the known universe.  Voyager finally achieved this about five years ago, being the first man-made object to do so, an… Continue reading Go silently into the unknown

Beyond the Event Horizon

Black holes, once just seen as things of science fiction, now widely accepted to exist at the center of every galaxy.  They come in various sizes, from your common garden variety to the super-massive black holes believed to be millions the size of our own sun. What are they?  Collapsed stars where the matter has… Continue reading Beyond the Event Horizon