When they do start driving, make sure they understand that somone waving them on that the way is safe is RELATIVE to that person. Lack of pun intended:-)
That was my daughters mistake.
Rod
Thank you very much for the replies. It's funny how one question and even the answers to those questions, can bring up so many **seemingly** unrelated questions :-)
Example... While reading the article, the words "two-dimensional" came up and I found myself remembering the late Carl Segan's...
Thanks Bcrowell. I ordered a copy of the book you suggested.
Your response made me realize something more clearly (I hope)...
When scientists state the speed of an object (galaxy, star, whatever) they are measuring it from their perspective.
I guess what I'm trying to say is, speed (or even...
Galaxies traveling faster than the speed of light??
1st off, Hello to everyone on the board. There are some very interesting ideas/posts.
I watched a Youtube video titled "The Hubble Ultra Deep Field in 3D" (beautiful video by the way)
It states that some galaxies are moving away from us...