Mercury is the closest planet to the Sun. Mercury is slightly smaller in diameter than the moons Ganymede and Titan but more than twice as massive.
Kids Astronomy l Copyright l Glossary l Appendices l Contact
1994 - 2015 © Nine Planets A guide to our solar system and beyond.
The chemical element mercury is classed as a transition metal. It has been known since ancient times. Its discoverer and discovery date are unknown.
Mercury or quicksilver has been known since ancient times. We do not know who discovered it.
Mercury was known to the ancient Chinese, Egyptians and Hindus and has been found in Egyptian tombs dating back to about 1500 B.C. (1), (2), (3)
In the fourth century B.C. we find Aristotle refers to mercury in writing as ‘hydro-argyros’ which translates as liquid-silver or water-silver. (4)
The Romans modified the Greek name slightly, referring to mercury as Hydragyrum, from which we get mercury’s modern chemical symbol Hg.
Police Your Planet Audiobook Written By Lester Del Rey - 1:26
© 2017. SuperStarFloraluk.com