Executive Orders are controversial because they allow the President to make major decisions, even law, without the consent of Congress. This, of course, runs against the general logic of the Constitution -- that no one should have power to act unilaterally.
Voyager 1 has since become the fastest and most distant man-made object in the Universe, travelling at around 61,500km/h at a distance of 17.6 billion km from the Earth. Perhaps most incredible of all, NASA is still in communication with it, despite radio signals taking 16 hours to reach it. Image Â© NASA.
For many years, the RMS Queen Elizabeth 2 was the fastest cruise ship in the world. It is capable of reaching a top speed of 32 knots per hour, and it has a cruising speed of around 28 knots. After it was retired from the cruise business, the Olympic Voyager became the fastest cruise ship.