McFlabbergasty said:
If you are in a spaceship at one end of the Solar System and your friend Bob was in another spaceship at the other end, then if you both travel towards each other at a constant velocity of half the speed of light, will Bob's spaceship violate the principles of relativity (your own spaceship being your reference frame)?
No.*
*No part of this answer may be reproduced or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of TMBTM.