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.
Most comets move much faster than the Earth's velocity around the Sun, which is about eighteen miles per second.Halley's comet makes a wide loop every seventy-six years. Its farthest point from the Sun is beyond Neptune.ost comets move much faster than the Earth's velocity around the Sun, which is about eighteen miles per second.