Tag Archives: miles

Stonehenge: One of the Biggest Henges in the World!*

Stonehenge was built in Salisbury Plain between 3100 – 1100 BCE. Commonly known as a site of ritualistic activity, it wasn’t until the mid 20th century that archaeologists realized that Stonehenge also served as an astronomical observatory. According to Sacred Sites, “In the 1950s and 1960s, the Oxford University engineer Professor Alexander Thom and the [...]

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Black Spidery things on Mars

Radiolab Blogland recently posted the piece below titled “Krulwich Wonders: Are Those Spidery Black Things on Mars Dangerous? (Maybe).” Read on! “You are 200 miles directly above the Martian surface—looking down. This image was taken by the Mars Reconnaissance Orbiter on Jan. 27, 2010. (The color was added later.) What do we see? Well, sand, mostly [...]

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Neil Armstrong: 1930-2012

Neil Armstrong died this past Saturday, August 25, at age 82.  The astronaut, who made “one small step for man, one giant leap for mankind,” was the first person to land on the moon. As commander of the Apollo 11 spacecraft, Armstrong traveled 238,900 miles (10+05) to reach the 4.5 billion year-old satellite (10+09) on [...]

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Curiosity Rover Lands on Mars

On August 5, 2012, the Curiosity rover landed on the Red Planet in what The New York Times calls “a flawless, triumphant technological tour de force.” It took the rover over eight months to make the 352-million-mile trip (10+08). In a recent video, NASA’s Jet Propulsion Laboratory (JPL) details the final minutes of the rover’s [...]

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Miles of Blood Vessels

The average child has over 60,000 miles (10+04) of blood vessels in his or her body, according to The Franklin Institute.  Adults have even more—roughly 100,000 miles (10+05) of blood vessels.  Laid out end to end, they would circle the earth four times and the moon nearly fifteen.

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Saturn’s Rings

Saturn’s rings are 500,000 miles (10+05) or 2,640,000,000 feet (10+09) in circumference but only about one foot thick. Learn more about Saturn at SpaceFacts.net

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The Three Gorges Dam

China’s Three Gorges Dam on the Yangtze River is the world’s largest hydroelectric project.  Built from 30 million cubic meters of concrete (10+07), it stands 606 feet tall (10+02) and spans 1.5 miles across. While the Dam’s construction employed 60,000 workers (10+04), it also displaced 1.3 million people (10+06), leveled 1,350 towns (10+03) and destroyed [...]

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Messier 9

“The NASA/ESA Hubble Space Telescope has produced the most detailed image so far of Messier 9, a globular star cluster located close to the center of the galaxy. This ball of stars is too faint to see with the naked eye, yet Hubble can see over 250,000 [10+05] individual stars shining in it. Messier 9, [...]

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6 (.0221415)

Avogadro’s Number is 6.0221415 X 1023 which is also quantified as N A. “Avogadro’s number, N A , is the fundamental physical constant that links the macroscopic physical world of objects that we can see and feel with the submicroscopic, invisible world of atoms. In theory, N A specifies the exact number of atoms in [...]

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31 (million miles from Earth)

What does Earth look like from 31 million miles away (or 50,000 kilometers or 50,000,000 meters or 5 x 10+7 away like in Powers of Ten)? Below is part of  Astronomy Picture of the Day on 9/3/2008 (with the bonus of seeing the moon orbiting Earth)!! 2008 September 3 “On July 4th, 2005, the Deep [...]

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  • Countdown to Powers of Ten Day

    • 10/10/10 1382 days ago