Mercury circles the Sun in only 88 days, compared to 365 days for Earth, at at an average speed of 105,947 miles (170,505 kilometers) per hour. This is faster than any other planet in the Solar System. 1  Javascript must be enabled to use Cool Cosmos. 2  Learn how.
The traditional names of the rowan are those applied to the species Sorbus aucuparia, Sorbus torminalis (wild service-tree), and Sorbus domestica (true service-tree). The Latin name sorbus was borrowed into Old English as syrfe. The name service-tree for Sorbus domestica is derived from that name by folk etymology.
Hibiscus syriacus is a species of flowering plant in the family Malvaceae, native to much of Asia (though not, as Linnaeus thought, Syria, in spite of the name he gave it).Common names include Rose of Sharon (especially in North America), rose mallow (United Kingdom) and St Joseph's rod (Italy).ibiscus syriacus is the national flower of South Korea. The flower appears in national emblems, and Korea is compared poetically to the flower in the South Korean national anthem. The flower's name in Korean is mugunghwa (Hangul: ë¬´ê¶í; Hanja: ç¡çª®è±).