"Mxsmanic" wrote in message
...

Most of what has been said here has been said by people who manifestly
lack
even the most basic notions of physics.

Most of what has been said here has been said by YOU, so this statement is
probably true.

I don't understand how people can believe that changes in direction are
possible without accelerations.

There are lots of things you don't understand. Unfortunately, you won't
accept it.