(Encyclopedia) Euler, LeonhardEuler, Leonhardlāˈônhärt oiˈlər [key], 1707–83, Swiss mathematician. Born and educated at Basel, where he knew the Bernoullis, he went to St. Petersburg (1727) at the…
(Encyclopedia) Cape CanaveralCape Canaveralkənăvˈərəl [key], low, sandy promontory extending E into the Atlantic Ocean from a barrier island, E Fla., separated from Merritt Island by the Banana River…
(Encyclopedia) Bond, George Phillips, 1825–65, American astronomer, b. near Boston, grad. Harvard, 1845. He became the assistant of his father, William Cranch Bond, and in 1859 succeeded him as…
(Encyclopedia)
CE5
Important points in a planet's orbit as seen from the earth
orbit, in astronomy, path in space described by a body revolving about a second body where the motion of the…
A Titanic StruggleClassical MythologyTales Of The TitanicA Titanic StruggleClash of the Titans After gaining their own freedom, the Titans made Cronus their king and freed the Cyclopes and their…
From Dusk to Dawn: The Sisters of HeliusClassical MythologyFriends, Fairies, and Fairy Tale MonstersFrom Dusk to Dawn: The Sisters of HeliusThe Good-Time God: PanThe Fairy Tale World: Giants, Ogres,…
(Encyclopedia) crater, circular, bowl-shaped depression on the earth's surface. (For a discussion of lunar craters, see moon.) Simple craters are bowl-shaped with a raised outer rim. Complex craters…
(Encyclopedia) Ptolemaic systemPtolemaic systemtŏlˌəmāˈĭk [key], historically the most influential of the geocentric cosmological theories, i.e., theories that placed the earth motionless at the…
(Encyclopedia) calendar [Lat., from Kalends], system of reckoning time for the practical purpose of recording past events and calculating dates for future plans. The calendar is based on noting…
