Quantcast

Latest Ariane Launch Stories

987e9d6334fc1ce53ac4ee6d9a5b313c
2011-02-08 11:45:00

When ATV Johannes Kepler is lofted into space on 15 February, an ESA tracking station on Portugal's Santa Maria island will watch closely, gathering crucial data as Ariane 5 streaks overhead. In 2008, the Santa Maria station, located five kilometers from the town of Vila do Porto on the Portuguese island of Santa Maria, in the Azores, became the latest station to join ESA's global ESTRACK tracking network. Santa Maria's 5.5 m-diameter antenna provides crucial tracking services for Ariane 5...


Word of the Day
tesla
  • The unit of magnetic flux density in the International System of Units, equal to the magnitude of the magnetic field vector necessary to produce a force of one newton on a charge of one coulomb moving perpendicular to the direction of the magnetic field vector with a velocity of one meter per second. It is equivalent to one weber per square meter.
This word is named for Nikola Tesla, the inventor, engineer, and futurist.