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The Speed of Sound

Source: Air & Space/Smithsonian. An unusual cloud sometimes appears just as an aircraft is going supersonic - accelerating past the speed of sound. Source: NASA. The speed of…

Origin of Earth

Earth, along with the other planets, is believed to have been born 4.5 billion years ago as a solidified cloud of dust and gases left over from the creation of the Sun. For perhaps 500…

The Uranian Rings

Voyager 2 also expanded the body of information pertaining to the rings and moons of Uranus. Voyager's cameras obtained the first images of 9 previously known narrow rings and discovered at…

The Planets - Earth

Earth is not perfectly round; it bulges at the equator and is flatter at the poles. From space the planet looks blue with white swirls, created by water and clouds.Size: Four planets in our…

Amy Lowell: The Crescent Moon

The Crescent MoonSlipping softly through the sky Little horned, happy moon, Can you hear me up so high? Will you come down soon?On my nursery window-sill Will you stay your steady flight?…

Amy Lowell: The Starling

The Starling“I can't get out”, said the starling. Sterne's Sentimental Journey. Forever the impenetrable wall Of self confines my poor rebellious soul, I never see the towering white clouds…

Ralph Waldo Emerson: Lines to Ellen

Lines to EllenTell me, maiden, dost thou use Thyself thro' Nature to diffuse? All the angles of the coast Were tenanted by thy sweet ghost, Bore thy colors every flower, Thine each leaf and…

Sara Teasedale: The Star

The StarA white star born in the evening glow Looked to the round green world below, And saw a pool in a wooded place That held like a jewel her mirrored face. She said to the pool: "Oh,…