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- Jupiter is the largest planet in the solar system.
- The speed of sound must be exceeded to produce a sonic boom.
- The nearest galaxy to our own is Andromeda.
- The Leaning Tower of Pisa is predicted to topple over between 2010 and 2020.
- Mercury is the only metal that is liquid at room temperature.
- Blood is 6 times thicker than water.
- Dissolved salt makes up 3.5 percent of the oceans.
- Three stars make up Orion's belt.
- Glaciers store about 75% of the world's freshwater. In Washington State alone, glaciers provide 470 billion gallons of water each summer.
- To an observer standing on Pluto, the sun would appear no brighter than Venus appears in our evening sky.
- Traveling at the speed of 186,000 miles per second, light take 6 hours to travel from Pluto to the earth.
- A car traveling at a constant speed of 60 miles per hour would take over 48 million years to reach the nearest star (other than our sun), Proxima Centauri. This is about 685,000 average human lifetimes.
- Scientists recently announced the discovery of a new planet orbiting a star that's practically next door - relatively speaking. There's also the possibility that the system might contain a second planet. The star, Epsilon Eridani, is only 10.5 light years away — which is just down the block in astronomical terms — making it the nearest star known to have such a planet. The new planet appears similar to Jupiter, but half again as big. The discovery was made by a team of researchers led by scientists at the McDonald Observatory at the University of Texas at Austin.
- A cosmic year is the length of time it takes the sun to complete one revolution around the center of the Milky Way galaxy. That's approximately 225 million earth years.
- The sun is estimated to be between 20 and 21 cosmic years old.
- It takes a plastic container 50000 years to start decomposing.
- Lab tests can detect traces of alcohol in urine six to 12 hours after a person has stopped drinking.
- Sound at the right vibration can bore holes through a solid object.
- The color black is produced by the complete absorption of light rays.
- There are 3 golf balls sitting on the moon.
- The Sun has a diameter of 864,000 miles.
- Air is denser in cold weather. A wind of the same speed can exert 25 percent more force during the winter as compared to the summer.
- An iceberg contains more heat than a match.
- Every cubic mile of seawater holds over 150 million tons of minerals.
- A temperature of 70 million degrees Celsius was generated at Princeton University in 1978. This was during a fusionism experiment and is the highest man-made temperature ever.
- Bacteria can reproduce sexually.
- The pressure at the center of the Earth is 27,000 tons per square inch.
- There are five trillion trillion atoms in one pound of iron.
- German chemist Hennig Brand discovered phosphorus while he was examining urine.
- The densest substance on Earth is the metal "osmium."
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