Gravity does some weird things to the universe. The power of gravity bends light, which means that the objects astronomers are looking at might not actually be where they appear to be. Scientists call this bizarreness gravitational lensing.
Between the time it was discovered and the time it was unclassified as a planet, Pluto did not even complete one revolution around the sun.
Scientists are working on a “GPS” that works in space. It uses x-ray’s emitted by pulsars to get a position anywhere, accurate to 5km. Its called XNAV.
Ethyl Formate, the chemical that gives raspberries their flavor, has been found emanating from dust clouds in space.
Space travel gives astronauts a feeling of being completely engulfed by a profound sense of universal connectedness. Edgar Mitchell described what it’s like to stand on the moon and look at the Earth: “You develop an instant global consciousness, a people orientation, an intense dissatisfaction with the state of the world, and a compulsion to do something about it. From out there on the moon, international politics look so petty. You want to grab a politician by the scruff of the neck and drag him a quarter of a million miles out and say, ‘Look at that, you son of a bitch.’ ”
Our Milky Way galaxy will collide with the neighboring Andromeda galaxy in 4 billion years.
Contrary to depictions in science fiction, the human body can briefly survive in outer space unprotected, and that the human skin doubles in size, more resembling a body builder than a balloon.
Neptune was predicted to exist by mathematical calculations well before it was physically observed by telescopes.