★ Astronomical object - astronomical objects ..


★ Astronomical object

Astronomical object refers to something that astronomers study. It may be any body or structure in the observable universe. This includes objects like nebulas, star clusters, galaxy clusters, galaxies, stars, protostars, planets, satellites, comets, asteroids. Objects on the Earth are not usually included, except sometimes recently landed meteorites.

  • A near - Earth object NEO is a Solar System object whose orbit brings it close to the Earth. Their least distance from the Sun, their perihelion, is less
  • an astronomical object is blocked and or scattered by other astronomical objects and cosmic dust. Also known as galactic extinction when the object is
  • This is a partial list of the various lists of astronomical objects which either exist, or should exist, in Wikipedia. List of stars List of nearest stars
  • group in charge of naming objects in space and anything on them such as mountains and craters. International Astronomical Union IAU www.iau.org.
  • actually natural or man - made objects that looked strange. 80 - 90 of IFOs are identified as one of three different things: astronomical causes for example: planets
  • multiple names: authors list link A.A. Hoag 1950 A peculiar object in Serpens Astronomical Journal. 55: 170. Bibcode: 1950AJ.....55Q.170H. doi: 10.1086 106427
  • Astronomical spectroscopy is the science of using spectroscopy to figure out what elements astronomical bodies, such as stars, planets and nebulae, are
  • qualification in astronomy this refers to the sidereal period of an astronomical object which is calculated with respect to the stars. Other periods include
  • signal Natural satellite - A natural object in orbit, generally a moon Quasi - satellite - an astronomical object which crosses a planet s orbit during
  • It can also be used in a non - astronomical sense to describe when an object in the foreground occults covers up objects in the background. This short
  • used in observational astronomy and also astrology It is used when two objects in the sky are on the opposite side of the sky when viewed from the Earth
  • Right ascension abbreviated RA symbol α is the astronomical word for one of the two coordinates of a point on the celestial sphere when using the equatorial
  • methods. A real direct distance measurement of an astronomical object is possible only for those objects that are close enough to Earth within about a thousand
  • list of astronomical objects made by French astronomer Charles Messier in 1771. Messier was a comet hunter, and was annoyed by fuzzy objects which were
  • planet. The object was originally nicknamed Santa as it was discovered shortly after Christmas. In 2008, the International Astronomical Union gave it
  • mainly on the mass of the star when it formed. These objects are small for their mass. Astronomic objects with an unknown nature are often called compact star
  • Luminosity is the amount of power given off by an astronomical object Stars, galaxies and other objects emit energy in the form of radiation. It is measured
  • In astronomy, a rotation period is the time an astronomical object takes to complete one revolution around its rotation axis relative to the background
  • telescopes and cameras to observe or look at stars, galaxies and other astronomical objects Theoretical astronomy uses maths and computer models to explain
  • Halley and Isaac Newton together in 1712. Naming Astronomical Objects International Astronomical Union IAU Retrieved 2009 - 01 - 30. CS1 maint: discouraged
  • provisional designation in astronomy is the naming convention of astronomical objects as soon as they are found. The provisional designation is usually
  • Solar System beyond the orbit of Neptune at 30 astronomical units to 50 AU from the Sun. The objects within the Kuiper Belt together with the members
  • relationship between objects found together HMS Association, a Royal Navy ship which sank in 1707 Association object - oriented programming in object - oriented programming
  • Parallax is the perceived change in position of an object seen from two different places. In astronomy, annual parallax is the only direct way to measure
  • astronomy which studies celestial objects at radio frequencies. The first detection of radio waves from an astronomical object was made in the 1930s. Karl Jansky
  • Red shift is a way astronomers use to tell the distance of any object that is very far away in the Universe. The red shift is one example of the Doppler
  • S 2004 S 4 is the designation of an object that astronomers do not know for sure if it exists seen orbiting Saturn within the closer part of the F ring
  • is a region around an astronomical object such as a planet. It is the region where charged particles are affected by the object s magnetic field. The
  • A quasi - satellite is an astronomical object that crosses a planet s orbit during its own orbit. A quasi - satellite s orbit around the Sun takes exactly
  • seconds from Earth or light - year or lightyear The IAU and astronomical units, International Astronomical Union, retrieved 2008 - 07 - 05 CS1 maint: discouraged parameter

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