But when viewed from certain vantage points the sculpture takes the form of a heart, and when viewed from above, or from Google Earth, it resembles a pair of lips.
He showed to his own and then to the scientific world's satisfaction that holes punched out from below the earth would look different to those stamped in from above.
While the crew enjoyed the port town at sea level, the strongest man on earth preferred to admire Barcelona from above, choosing the hilltop of Montjuic, which overlooks the city, for its magnificent views.
The Falcon dropped the Dragon off in an elliptical path running from 197km above the Earth out to 328km.
From 220 miles above Earth on the International Space Station, American astronaut Ron Garan certainly has a unique perspective of our home planet.
Felix Baumgartner plans to leap from 23 miles above Earth on Sunday, breaking the speed of sound within 40 seconds before free falling for another five minutes or so.
On October 14, Felix Baumgartner dove from 24 miles above earth, landing safely in New Mexico, setting records for highest altitude parachute jump and greatest free fall velocity in history.
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Austrian skydiver Felix Baumgartner wore several of the devices when he made his record-breaking supersonic freefall from 39 kilometers above the earth in October.
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When these platforms are dropped off by their launch rockets they are in a large ellipse around the Earth running from just a few hundred km above the planet out to 36, 000km.
From above, it looks like a manta ray rising from the earth and was built to preserve the viewshed from the west, where the structure stands in front of the Camino Real historic trail.
The images from the Hubble, which has a clear view of the cosmos from its orbit above the Earth's turbulent atmosphere, will enable astronomers to gain a better understanding of black holes and the effect they have on material captured in their gravitational trap.
Moments after Felix Baumgartner stepped from his capsule 24 miles above Earth, the intrepid skydiver slipped into a wild spin.
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The inner belt normally extends from about 1, 000 miles above Earth to 8, 000 miles.
As the ages passed, the pressure of layers above and heat from inside the earth broke down and reassembled these simple plants and animals into chains of carbon atoms bristling with hydrogen.
Launched in 2003, ICESat can measure changes in elevation as small as 1.5cm (0.6ins) from its orbit 645km (400 miles) above the Earth.
Signals received from satellites orbiting 22, 000km (13, 670miles) above the earth are then used to calculate a more accurate measurement.
The data, from NASA's TIMED mission, show that Earth's thermosphere (the layer above 62 miles or 100 km above the Earth's surface) "responds quite dramatically to the effects of the 11-year solar cycle, " Stan Solomon of the National Center for Atmospheric Research in Boulder, Colo.
By interplanetary space, we are talking about an environment in which space radiation is much more intense than it is in LEO, because above Earth orbit is the geomagnetosphere, the Van Allen belts, which trap charged particle radiation coming from deep space.
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