
The Earth gets heavier each day by tons, as meteoric dust settles on it.
Vinegar was the strongest acid known in the ancient times.
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.
The Sun has a diameter of 864,000 miles.
There are 3 golf balls sitting on the moon.
Traveling at the speed of 186,000 miles per second, light take 6 hours to travel from Pluto to the earth.
To an observer standing on Pluto, the sun would appear no brighter than Venus appears in our evening sky.
Dissolved salt makes up 3.5 percent of the oceans.
Blood is 6 times thicker than water.


