I did a short presentation last night for a group of families at a Halloween event.  My job was to talk space but make it as spooky as possible and use some Halloween themes for the kids.  There really is a fine line between teaching Science and being entertaining, but here’s some of the things I did. Lets start with the following image….What does this look like to you? Did you say the head of a witch? Then yes you are right! This is known as the Witch Head Nebula. A nebula is a place where gas and dust in...