1. Our universe has no edge.
  2. Evidence from the atmosphere of the Saturn’s moon Titan shows the presence of organic chemicals.
  3. In 1986, NASA found a fossilized, microscopic living thing on the planet Mars. So this means life exists or existed on this planet other than the earth.
  4. As per astronomer Fred Hoyle, life’s basic chemicals came from the universe and not from the earth itself.
  5. Glowing nebulae derived their name as they emit dim red coloured light when the hydrogen gas present in them gets heated by the radiation obtained from the nearby stars.
  6. There are trillions of galaxies in the universe and we live in one of them, namely Milky Way.
  7. You know the earth rotates around the sun, right? But did you know even the sun travels all around this galaxy? This journey requires 100,000 light years to complete and happens in once in every 200 million years.
  8. In the middle of two galaxies, there are black holes present.
  9. The signs of intelligent life apart from the earth were analyzed by the SETI i.e. the Search for Extra-Terrestrial Intelligence.
  10. Our universe is approximately 15 billion years old.
  11. At a speed of more than 90% of that of light, the galaxies at the furthest point from us are moving further away.
  12. The universe doesn’t have any centre. An endless curve is formed by the gravity that bends the space and time, as per Einstein’s Theory of Relativity.
  13. If you fall in any black hole, you would stretch like a spaghetti.
  14. A single day on mercury is equivalent to 59 days on the earth.
  15. On the opposite end of a black hole, a white hole is expected. It is believed light and matter are thrown out by it.
  16. Gases that swirl around the black hole generates electricity around them that can travel in space covering billions of kilometres.
  17. Quasars are spiralling matters which are the brightest object when the matters swirling around the black hole are torn apart.
  18. Stars in our universe are expected to be 14-18 billion years old. But the universe itself is younger than that. So it is thought that either star are younger than this or the universe is older than its calculated age.
  19. When Neil Armstrong landed on the moon for the first time, he said: “That’s one small step for a man; one giant leap for mankind.”
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