ESA Articles

• Nature of Water
  Space Probes
  Sports Science
  Aviation
  Vehicles
  Space Exploration
   
  

  Water rocket

  Water rockets are like their model rocket cousins, except that these are powered by a combination of water and air pressure instead of a chemical propellant. The pressure vessel, the engine of the ... > more
• Quantum Physics
  Physics
  Cosmic Rays
  Detectors
  Astrophysics
  Black Holes
   
  

  Neutrino

  The neutrino is an elementary particle. It has half-integer spin and is therefore a fermion. All neutrinos observed to date have left-handed chirality. Although they had been considered massless for ... > more
• Astronomy
  Cosmology
  Sun
  Solar System
  Extrasolar Planets
  Satellites
   
  

  Nicolaus Copernicus

  Nicolaus Copernicus (February 19, 1473 - May 24, 1543) was the astronomer who formulated the first modern heliocentric theory of the solar system. His epochal text, De revolutionibus orbium ... > more
• Alternative Fuels
  Astrophysics
  Fuel Cells
  Organic Chemistry
  Galaxies
  Chemistry
   
  

  Hydrogen

  Hydrogen is a chemical element in the periodic table that has the symbol H and atomic number 1. At standard temperature and pressure it is a colorless, odorless, nonmetallic, univalent, tasteless, ... > more

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