Nebula Articles

• Cosmology
  Big Bang
  Astrophysics
  Galaxies
  Astronomy
  Satellites
   
  

  Shape of the Universe

  The shape of the Universe is a subject of investigation within physical cosmology. Cosmologists and astronomers describe the geometry of the Universe which includes both local geometry and global ... > more
• Solar System
  Neptune
  Pluto
  Moon
  Jupiter
  Satellites
   
  

  Neptune's natural satellites

  Neptune has 13 known moons. The largest by far is Triton, discovered by William Lassell just 17 days after the discovery of Neptune itself. It took a hundred years to discover the second, Nereid. ... > more
• Stars
  Astrophysics
  Astronomy
  Sun
  Extrasolar Planets
  Sports Science
   
  

  Luminosity

  In general physics, luminosity (more properly called luminance) is the density of luminous intensity in a given ... > more
• Black Holes
  Space Station
  Astronomy
  Space Probes
  NASA
  Space Telescopes
   
  

  Spacetime

  In physics, spacetime is a model that combines 3-D space and 1-D time into a single construct called the space-time continuum (the 4th ... > more
• Quantum Physics
  Physics
  Spintronics
  Spintronics Research
  Black Holes
  Quantum Computers
   
  

  Introduction to quantum mechanics

  Quantum mechanics is a physical science dealing with the behaviour of matter and energy on the scale of atoms and subatomic particles / waves. It also forms the basis for the contemporary ... > more
• Volcanoes
  Natural Disasters
  Sports Science
  Geology
  Global Warming
  Early Climate
   
  

  Volcano

  A volcano is an opening (or rupture) in the Earth's surface or crust, which allows hot, molten rock, ash, and gases to escape from deep below the surface. Volcanic activity involving the extrusion of ... > more
• Quantum Physics
  Physics
  Quantum Computing
  Black Holes
  Spintronics
  Sports Science
   
  

  Schrodinger's cat

  Schrödinger's cat is a seemingly paradoxical thought experiment devised by Erwin Schrödinger that attempts to illustrate the incompleteness of an early interpretation of quantum mechanics ... > more
• Solar System
  Saturn
  Moon
  Pluto
  Jupiter
  Astronomy
   
  

  Saturn's natural satellites

  Saturn is currently known to have 56 moons, many of which were discovered very recently, and 3 additional un-confirmed, hypothetical moons. However, a precise number of moons can never be given, as ... > more
• Venus
  Solar System
  Sun
  Astronomy
  Solar Flare
  Extrasolar Planets
   
  

  Transit of Venus

  A transit of Venus across the Sun takes place when the planet Venus passes directly between the Sun and Earth, becoming visible against (and hence obscuring a small portion of) the solar disk. During ... > more
• Satellites
  Space Probes
  Space Station
  Space Exploration
  NASA
  Space Telescopes
   
  

  Militarisation of space

  The militarisation of space1 is the placement and development of weaponry in outer space by the militaries of the ... > more

Search ScienceDaily