Search

Search results

Displaying 311 - 320

Euler, Leonhard

(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…

Cape Canaveral

(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…

Bond, George Phillips

(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…

orbit

(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…

Ptolemaic system

(Encyclopedia) Ptolemaic systemPtolemaic systemtŏlˌəmāˈĭk [key], historically the most influential of the geocentric cosmological theories, i.e., theories that placed the earth motionless at the…

crater

(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…

calendar

(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…

Walt Whitman: Song for All Seas, All Ships

Song for All Seas, All ShipsPart 1To-day a rude brief recitative, Of ships sailing the seas, each with its special flag or ship-signal, Of unnamed heroes in the ships—of waves spreading and…

Walt Whitman: The Sleepers

The SleepersPart 1I wander all night in my vision, Stepping with light feet, swiftly and noiselessly stepping and stopping, Bending with open eyes over the shut eyes of sleepers, Wandering…