Starship Asterisk*

YOU WOULD NOT BE ABLE TO HEAR THOSE IMPACTS from that vantage point. What's more, if you could hear them, you would not hear them simultaneously with the sight of the impacts, but much later. That vantage point must be hundreds of miles from the surface of the moon. This is one of my pet peeves abou...

About the solstice and the beginning of winter, or any other season. I've often wondered why the solstices and equinoxes mark the beginning of the seasons. It seems to me that they really mark the midpoint of the season. Take the winter solstice in the northern hemisphere, for example. The winter wo...

The APOD caption says it was a meteor, but I remember watching Cosmos when Carl Sagan was talking about it, and he said it was a piece of a comet. He even named the comet, but I don't remember the name now.

Ron