500 nm gecko adsorbs on the wall by the extremely fine hairy on toes, the diameter of the hairy is 200 to 500nm. The temperature of the suns surface is about 5800k, most of the wavelength of the light is 500nm.

500 microns the thickness of the protective layer of gastric mucosal is 500 microns.

500 seconds it takes about 500 seconds for the light to transfer from the sun to the earth.

500 g a minor little rabbit, a medium sized carp, a penguin egg in the arms of the father penguin

Daming Palace is Tang dynasty chang 'an JinYuan, located in the east dragon in the northeast of the city, is the political center of Tang empire, and the most magnificent temple and the largest palace complex in the world history. The perimeter of it is about 7.6 kilometers, covering an area of about 3.2 square kilometers, about the size of 500standard football fields.

In the past, Hanyang tree is referring to trees of the Qingchuan pavilion area.

Now, an 530 - year - old Hanyang ginkgo tree has been hailed as a "Hanyang tree". It is located in Phoenix lane 11,phoenix mountain foothill of Hanyang,tanding beside the fifth hospital in Wuhan. After hundreds years of wind and rain, it still the same, the luxuriantly green stretch. The tree is 25m tall, the diameter of tree trunk is 1.36m, the projection area is 334 square meters. According to the experts speculation, it can live for another 500 years.

The power of

500 rubber bands

On the networks, a few Korean young people try to tie the strings on the watermelon. As the 500th strings are tied, watermelon is cracked.

The charm of 5 million

5 million can be a lottery, can also be an ordinary card camera. Although now common digital camera pixels reached millions of pixel level, but in a little camera of 5000000 megapixel, a 2560 x 1920 pixels are in record for us the good life.

500 copies of "knowledge is power", how high are they if stacked up?