Space
| Comparison:
If the diameter of the Sun was the size of an average man, then Jupiter will be about the size of his head. The Earth would be a little bit bigger that the iris of his eye.
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| Space
| Brightness:
One square meter of the Sun's surface shines as bright as 600,000 100 W light bulbs.
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Space
| Cosmic year:
It takes 240 million years for the Sun to make one full rotation in its orbit. This is called a cosmic year.
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| Earth
| Highest tsunami:
The highest tsunami ever recorded was 85 meters(278.9 feet) high(Japan, 24.04.1971). That's almost as high as the Statue of Liberty.
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Earth
| Longest earthquake:
The longest earthquake ever recorded was only four minutes long (27.03.1964, Alaska, USA). It was one of the strongest earthquakes - 9.2 on the scale of Richter.
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| Linguistics
| Crystal:
The word "crystal" comes from the Greek "frost". The Greeks used to think that the crystal is ice that is so frozen that will never melt.
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| Earth
| Highest wave:
The highest registered wave (not including tsunamis) is 34 meters (112 feet) from the base to the top.
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Earth
| Icebergs:
The scientists estimated that the ice in an iceberg on average is 5,000 years old.
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| Earth
| Ocean ice:
The ocean water freezes when the temperature falls below -1.9 °C. The ocean ice is never thicker than 5 meters.
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