Galaxies and number of stars in the universe

Related BrainMass Solutions

• number of objects encountered as moving from the sun

  of superclusters in the visible universe = 10 million Number of galaxy groups in the visible universe = 25 billion Number of large galaxies in the visible universe = 350 billion Number of dwarf galaxies in the visible universe = 7 trillion

• Are the stars uniformly distributed in space

  Therefore the galaxies (and by definition the stars that comprise them) are not uniformly distributed in space.

• Evidence Supporting the Big Bang Theory

  What we see in the very distant galaxies and the old stars from it is just right.

• Description of Star Characteristics

  The age of the universe is about 10 to 20 billion years. Before 10 to 20 billion years, the universe is in the beginning. At this time, the galaxies and stars had no individual existence.

• Properties of Open and Globular Star Clusters

  The final fact is that globular are composed of older stars when the universe was young, while open are composed of fairly young stars formed in the disks of galaxies.

• Big Bang Theory; Observational Evidence

  Deuterium is not produced in stars at all. No known process in present universe could have produced deuterium.

• Quasars and Early Galactic Evolution

  Based on the concept that universe was cooling down and allowed for the formation of galaxies its believed that the luminosity of quasars represent an early stage of galaxy development. References: Sloan Digital Sky Survey/SkyServer (2012).

• Electromagnetic radiation and astronomers

  These two properties of the electromagnetic radiation (speed and wavelengths) help astronomeres measure important physical charecteristics of stars, galaxies and the universe.

• Universe

  The heavy atoms in our body were created in the cauldron of past stars b. A positive attitude will make you shine like a star c. Everything in the universe, including stars and people , evolve. d.