Space,

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Space Facts –

1-There may be 20 trillion galaxies in the Universe.

2-For a satellite or a spacecraft to stay in orbit 200 km above the earth, it has to fly over 8 km/sec.

3-Saturn’s rings are sets of thin rings of ice, dust and tiny rocks, which orbit the planet around its equator.

4-The Sun has sunspots, the dark spots on the Sun’s photosphere (surface), 2000°C cooler than the rest of the surface.

5- Saturn’s moon Titan has plenty of evidence of organic (life) chemicals in its atmosphere.

6- Life is known to exist only on Earth, but in 1986 NASA found what they thought might be fossils of microscopic living things in a rock from Mars.

7-The Drake Equation was proposed by astronomer Frank Drake to work out how many civilizations there could be in our galaxy – and the figure is in millions.

8-The Milky Way galaxy we live in: is one among the BILLIONS in space.

9-The Sun travels around the galaxy once every 200 million years – a journey of 100,000 light years.

10-The Universe is probably about 15 billion years old, but the estimations vary.

11-Nicolaus Copernicus was the astronomer who first suggested that the Sun was the centre, and that the Earth went round the sun.

12-When Neil Armstrong stepped on the Moon for the first time, he said these famous words: “That’s one small step for a man; one giant leap for mankind.”

13-The stars in each constellation are named after a Greek alphabet.

14-The brightest star in each constellation is called the Alpha Star, the next brightest Beta, and so on.

15-The Shoemaker-Levy 9 comet smashed into Jupiter in July 1994, with the biggest crash ever witnessed.

to be added more in coming days after exploring the facts…

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