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  Encyclopedia of Keywords > Glossaries > Glossary of Astronomy /   Michael Charnine

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Review of Short Phrases and Links

    This Review contains major "Glossary of Astronomy"- related terms, short phrases and links grouped together in the form of Encyclopedia article.


  1. Gravitation is a natural phenomenon by which all objects with mass attract each other.
  2. Gravitation is the tendency of objects with mass to accelerate toward each other.


  1. A galaxy is a cluster of stars, dust, and gas which is held together by gravity.
  2. A galaxy is a huge group of stars and other celestial bodies bound together by gravitational forces. (Web site)
  3. A galaxy is a large gravitationally bound system of stars, interstellar gas and dust, plasma and unseen dark matter.
  4. A galaxy is a lump of stars, gas, dust, and unclassified "*dark matter". (Web site)
  5. A galaxy is a vast collection of billions of stars orbiting about a common center of mass.

Astronomical Year Numbering

  1. Astronomy and Astrophysics You may copy and modify it as long as Encyclopedia sub index as Astronomical year numbering.
  2. More from Wikipedia Wikitionary information about Astronomical year numbering This article is licensed under the GNU Free Documentation License.
  3. Thus it has a year and the years before that are Astronomical year numbering.

Celestial Mechanics

  1. Celestial mechanics is a division of Astronomy dealing with the Motion s and Gravitation al effects of Celestial Object s.
  2. Celestial mechanics is a division of astronomy dealing with the motions and gravitational effects of celestial objects.
  3. Celestial mechanics is an application of physics, particularly Newtonian mechanics, to astronomical objects such as stars and planets. (Web site)
  4. Celestial mechanics is an old term for the application of physics, particularly Newtonian mechanics, to astronomical objects such as stars and planet s. (Web site)


  1. Kepler was a mathematician and mystic, interested primarily in numerical relationships among objects in the Universe. (Web site)
  2. Kepler was also giving his political recommendations to the empire although his common sense was more instrumental than the stars.
  3. Kepler was set to work on calculating the orbit of Mars, which took a really long time. (Web site)
  4. Kepler was the first to devise a system that described correctly the details of the motion of the planets with the Sun at the center. (Web site)
  5. Kepler was the first to devise a system that described correctly the details of the motion of the planets with the Sun at the centre. (Web site)


  1. Copernicus was born in 1473 at Toru-- (Thorn) in a Polish province of Royal Prussia.
  2. Copernicus was born in 1473 at Toru-- (Thorn) in the Polish province of Royal Prussia.
  3. Copernicus was born in the present day town of Torun, Poland in February of 1473. (Web site)
  4. Copernicus was familiar with Aristarchus' theory of the universe, which at the time, however, did not find favor with the ancient philosophers.
  5. Copernicus was not the first one to come up with the idea of a sun-centered (heliocentric) universe. (Web site)

Galileo Galilei

  1. Galileo Galilei was a Tuscan astronomer, philosopher, and physicist who is closely associated with the scientific revolution. (Web site)
  2. Galileo Galilei was born at Pisa in 1564.
  3. Galileo Galilei was the first person known to have turned a Telescope to the heavens and to record what he saw.
  4. Galileo Galilei was the first scientist to actually experiment. (Web site)
  5. Galileo Galilei: a biography and inquiry into his philosophy of science. (Web site)

Ancient Astronomy

  1. Ancient Astronomy - An interactive atlas of the world links to the archaeoastronomy and multicultural cosmology of ancient times. (Web site)

Angular Diameter

  1. The angular diameter of the full moon or the Sun as seen from Earth is about 30 arc minutes. (Web site)
  2. Last check: 2007-10-14) The angular diameter of an object is the angle the object makes (subtends) as seen by an observer. (Web site)
  3. For example, the angular diameter of the (full) Moon is the angle measured at point O if the points A and B represent the North and South poles of the Moon. (Web site)


  1. Aperture is the diameter of the lens or mirror that collects light.
  2. Aperture is the single most important factor in selecting a telescope. (Web site)
  3. The aperture is the diameter of the objective lens (on refractor telescopes) or the diameter of the mirror (on reflective telescopes). (Web site)
  4. The aperture is the size of a telescope's main lens (or mirror). (Web site)


  1. Archaeoastronomy - A comprehensive introduction to archaeoastronomy including a look at various people groups and case studies of sites. (Web site)
  2. Archaeoastronomy is a discipline pioneered at Stonehenge and other megalithic sites in Britain and France. (Web site)
  3. Archaeoastronomy is a synthesis of 2 words - archaeology and astronomy.
  4. Archaeoastronomy is a very active area these days.
  5. Archaeoastronomy is the study of how ancient people studied these same things. (Web site)


  1. Aristotle was Plato's student and probably the most influential person in ancient astronomy. (Web site)
  2. Aristotle was concerned about the physical nature of the system; without unrollers, the outer motions would be transferred to the inner planets. (Web site)


  1. Astrobiology - the study of the advent and evolution of biological systems in the Universe.
  2. Astrobiology is a mixture of astronomy and biology, and the tendency is to assume that it must be assembled from contemporary astronomy and biology.
  3. Astrobiology is a new area of study that seeks to study life that may occur beyond the Earth. (Web site)
  4. Astrobiology is a relatively new science.
  5. Astrobiology is the scientific study of the living universe, how it arrived at this point in time, and where it is heading.


  1. Astrodynamics is a term application of physics, particularly Newtonian mechanics, to space objects such as stars, planets and satellites.
  2. Astrodynamics is the study and creation of orbits, especially those of artificial satellites.
  3. Astrodynamics is the term used to describe the application of Newtonian mechanics to man-made objects in space, such as rockets and spacecraft.


  1. Astrology is a pseudo-science which claims that the positions of the heavenly bodies have an effect on the lives of human beings and events on Earth.
  2. Astrology is a very controversial subject. (Web site)
  3. Astrology is an old practice, which has many different levels. (Web site)
  4. Astrology was a major part of both daily life and intellectual culture, and was deeply implicated in politics, medicine, and agriculture. (Web site)
  5. Astrology was developed when only the naked-eye planets were known.


  1. Astrometry - the study of the position of objects in the sky and their changes of position. (Web site)
  2. Astrometry is a branch of astronomy that deals with the positions of stars and other celestial bodies, their distances and movements.
  3. Astrometry is a field where bad measures are generally of little or no use. (Web site)
  4. Astrometry is a part of Astronomy and deals with the positions of stars and other celestial bodies, their distance s and movements. (Web site)
  5. Astrometry is a part of Astronomy and deals with the positions of stars and other celestial bodies, their distances and movements.


  1. ASTRON is also the host for the Square Kilometre Array (SKA) project and parts of the LOPES Project. (Web site)
  2. ASTRON is an abbreviation of the dutch Stichting ASTRonomisch Onderzoek in Nederland. (Web site)
  3. ASTRON is the host institute for the Joint Institute for VLBI in Europe (JIVE), which operates the MkIV VLBI Data Processor (correlator).
  4. Astron is a well-established amateur astronomy fair, so that many people attended both the events. (Web site)


  1. Astronomers are also observing globular clusters to see if maybe some of them are actually captured satellites.
  2. Astronomers are concerned about astronomy education because it affects the recruitment and training of future astronomers.
  3. Astronomers are going to the coldest place on Earth to search for the heat radiated by distant objects in the universe.
  4. Astronomers are human, too, and many of them have trouble accepting change. (Web site)
  5. Astronomers are in quite a pickle when it comes to what a planet is and what it is not. (Web site)

Astronomical Objects

  1. Astronomical objects are significant physical entities, associations or structures which current science has confirmed to exist in space.
  2. Astronomical objects are small and contrast is low, so details do not spring out.


  1. ASTRONOMY is the hard science. (Web site)
  2. Astronomy - For astronomy 1993 was a year of discovery but also one of bitter disappointment.
  3. Astronomy - Ways of obtaining information Main article: Observational astronomy. (Web site)
  4. Astronomy - the guide to the universe. (Web site)
  5. Astronomy IS the study of the cosmos, at all levels. (Web site)


  1. Astrophysics - Collection of scientific sites dedicated to the advancement of our understanding of the universe.
  2. Astrophysics is a branch of astronomy that analyzes the properties and interactions of cosmological objects based on known physical law. (Web site)
  3. Astrophysics is a branch of astronomy that studies the physical properties of celestial bodies and other matter and energy in space. (Web site)
  4. Astrophysics is a useful branch of science that always continues to evolve and produce fascinating new insights into the structure of our universe. (Web site)
  5. Astrophysics is the part of astronomy (and physics) that deals with the application of physics to the phenomena observed by astronomy. (Web site)


  1. Atlas is a shepherd satellite for Saturn's A-ring. (Web site)
  2. Atlas is one of the smallest of the 18 moons of Saturn. (Web site)
  3. Atlas is the second of Saturn's known satellites.
  4. The Atlas was originally released in 1997 and represents the astrometric results from the Hipparcos mission. (Web site)


  1. Binoculars are a type of refractor. (Web site)
  2. Binoculars are classified according to their magnification and diameter of the front lens (in mm).
  3. Binoculars are fairly inexpensive (less than $200) and relaxing to use because you look with both eyes.
  4. Binoculars are quite useful in learning the sky, due in part to their wide field of view. (Web site)
  5. Binoculars are really just two small, low power, telescopes mechanically linked together. (Web site)


  1. The book is one of the few to survive the chaos of the European Dark Ages.
  2. The book was not a quick read for me.
  3. The book was written upon the request of Malebranche. (Web site)

Brightest Stars

  1. The brightest stars are around magnitude 1 or 2. (Web site)
  2. The brightest stars are first class and those slightly fainter are second class. (Web site)


  1. A calendar is also a physical device (often paper). (Web site)
  2. Calendar: a system of reckoning time in which days are enumerated according to their position in cyclic patterns.
  3. The calendar is based on the Qur'an (Sura IX, 36-37) and its proper observance is a sacred duty for Muslims.
  4. The calendar was made up of 18 months, each lasting 20 days. (Web site)


  1. Moon Calendar Gallery, astronomy cards, calendars, books, posters.
  2. Equinoxes and solstices are frequently used as anchor points for calendars. (Web site)
  3. Gerardo wanted to know if their calendars were all using the same count. (Web site)


  1. The catalog was first published in 1771 and contained 45 objects. (Web site)
  2. The catalog was later expanded by Cannon and Margaret W. Mayall in 1949. (Web site)
  3. The catalog was lost early in the Christian era, perhaps in the fire at the great library in Alexandria. (Web site)


  1. The VizieR catalog browser provides additional search functionalities for a large fraction of these catalogues.
  2. Specific care has been taken for optimizing access to some very large catalogues such as UCAC2, the USNO-B1, or the 2MASS last release. (Web site)
  3. Exhibition catalogues for works by William Blake: 1900-1990.

Celestial Spheres

  1. For material celestial spheres from Antiquity to the Renaissance, see Celestial spheres.
  2. Some late medieval figures inverted the model of the celestial spheres to place God at the center and the Earth at the periphery.
  3. These are the sacred places where the magical power of the celestial spheres was encountered and the secrets of the planets and stars were divined. (Web site)


  1. Celestron is a company that makes and imports telescopes, binoculars, spotting scopes, microscopes, and accessories for their products. (Web site)
  2. Celestron is a company that makes telescopes, binoculars, spotting scopes, microscopes, and accessories for their products.
  3. Celestron is a leading manufacturing company of telescopes and other astronomical accessories. (Web site)
  4. Celestron is a privately held company with corporate offices and manufacturing facilities, in Torrance, CA.
  5. Celestron is a privately held company with corporate offices and manufacturing facilities, in Torrance, Calif. (Web site)


  1. Galaxy Zoo, like Stardust@Home and Clickworkers, asks volunteers over the Web to label astronomy features (galaxies, moon craters, etc.) on images.
  2. Once you have submitted your crater counts for Eros using the Clickworkers program, the resulting data will be analyzed by the science community.
  3. Clickworkers downloaded images from the clickworkers web site and worked with the web interface to identify and classify craters on the surface of Mars.


  1. A "companion" is a term coined by Wiegert, Innanen, and Mikkola to describe Asteroid 3753's relationship to the earth. (Web site)
  2. The companion is a little more massive than the Sun and a little brighter and a little hotter," Evans said.


  1. The company was recently acquired by CruiseJungle Holdings, Inc.
  2. The company was reeling and by January 2002 had no choice but to file for Chapter 11 bankruptcy.

Compton Scattering

  1. Compton scattering is a collision and it changes the distribution very much.


  1. Improper question, since the reference frequency is not a constant. (Web site)
  2. He used a horizontal torsion beam with lead balls whose inertia (in relation to the torsion constant) he could tell by timing the beam's oscillation.
  3. Since the constant is time-dependent, it is more correctly termed a parameter. (Web site)


  1. Constellations are patterns of stars visible from Earth in the sky at night. (Web site)
  2. Constellations are useful for navigation. (Web site)
  3. Constellations were more than just interesting patterns in the sky. (Web site)
  4. Constellations were officially set in 1930 and are used to organize the sky into regions.
  5. The constellations are drawn simply, emphasizing the brighter stars. (Web site)

Contact Binary

  1. A contact binary is a type of binary star in which both components of the binary fill their Roche lobes. (Web site)


  1. A coronagraph is a telescope that can see things very close to the Sun.
  2. A coronagraph is a telescope used to study the Moon.
  3. A coronagraph is a telescope used to study the Sun.
  4. A coronagraph is a telescope used to study the planets. (Web site)
  5. The coronagraph was introduced in 1930 by the astronomer Bernard Lyot. (Web site)

Cosmic Dust

  1. Cosmic dust is a type of dust composed of particles in space which are a few molecules to 0.1 mm in size.
  2. Cosmic dust was once solely an annoyance to astronomers, as it obscures objects they wish to observe. (Web site)


  1. Cosmology - A timeline from 1576 (infinite universe) to 1980 (inflationary Big Bang).
  2. Cosmology - the study of the origin of the universe and its evolution.
  3. Cosmology is a subset philosophy which explores where people come from and where they are going. (Web site)
  4. Cosmology is the natural complement of the special sciences. (Web site)
  5. Cosmology is the science studying its origin, how it changes, and its future.


  1. Data are summarized by state climatic division. (Web site)
  2. Data was amplitude and phase calibrated based on calibration data collected intermittently throughout the observation. (Web site)
  3. Data was phase corrected by interpolating phase changes detected in phase calibrator observations bracketing the target observation. (Web site)
  4. Data were acquired through a narrow-band (120-nm) filter centred on a methane absorption band at 1.72 m, thus minimizing the light scattered by Neptune.
  5. The data are from the GG057 data set.

Deep Sky

  1. Getting started, deep sky and planetary observing, astrophotography, sketching, glossary, and links. (Web site)
  2. Excellent for deep sky observing or astrophotography with fast films or CCD’s.
  3. Visual Deep Sky Observing - Galleries of sketches, legend, projects, publications, and links.


  1. Evolution: a MODEST approach In 2002, we started a new MODEST initiative (the name stems from MOdeling DEnse STellar systems). (Web site)
  2. The use of the word "evolution" here carries a different connotation as it does in biology where an increase in complexity is implied. (Web site)

Extraterrestrial Skies

  1. Extraterrestrial skies - The colour of the Martian sky.


  1. An eyepiece is a magnifier, much like a high power magnifying glass.
  2. Eyepiece: The ocular, or eyepiece, consists of a series of lenses mounted in a barrel and placed in the eyepiece sleeve at the upper end of the microscope. (Web site)
  3. The eyepiece is the part of a telescope that you look into. (Web site)

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