Common questions

  • What unpredictable threats might space pose for Earth, apart from collisions with asteroids?
  • Is it true that our Galaxy is going to collide with the Andromeda Galaxy?
  • Why are the Andromeda Galaxy and the Milky Way are moving towards each other? After all, the universe is expanding and all galaxies recede from each other!
  • Do horoscopes have a scientifically valid justification?
  • Why do scientists say there is no UFO? After all, so many people saw UFO in different places and at different times.
  • What is the difference between comets, asteroids, meteors, meteorites, meteoroids, and bolides?