Universe facts

1. The full cost of a spacesuit is about $11 million although 70% of this is for the backpack and the control module.
2. A day in Mercury lasts approximately as long as 59 days on earth.
3. One problem with working out the age of the Universe is that there are stars in our galaxy which are thought to be 14 to 18 billion years old – older than the estimated age of the Universe. So, either the stars must be younger, or the Universe older.
4. Ever wondered how the pull of gravity is calculated between heavenly bodies? It's simple. Just multiply their masses together, and then divide the total by the square of the distance between them.
5. 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.
6. The Milky Way galaxy we live in: is one among the BILLIONS in space.
7. The very furthest galaxies are spreading away from us at more than 90% of the speed of light.
8. If you fell into a black hole, you would stretch like spaghetti.
9. Matter spiraling into a black hole is torn apart and glows so brightly that it creates the brightest objects in the Universe – quasars.
10. The opposite of black holes are estimated to be white holes which spray out matter and light like fountains.