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Topic: Conjunction (astronomy)

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	Conjunction - LoveToKnow 1911
		In astronomy, conjunction" is the nearest apparent approach of two heavenly bodies which seem to pass each other in their courses - said to be in longitude, right ascension, andc., when they have the same longitude, andc.
		A superior conjunction is one in which the lesser body is beyond the greater, especially when a planet is beyond the sun.
		In grammar the term " conjunction " is applied to one of the so-called " parts of speech, " viz.
	www.1911encyclopedia.org /Conjunction (211 words)

	AllRefer.com - conjunction, in astronomy (Astronomy, General) - Encyclopedia
		Conjunction of the moon and the planets is often determined by reference to the sun.
		When a body is in conjunction with the sun, it rises with the sun, and thus cannot be seen; its elongation is 0°.
		The moon is in conjunction with the sun when it is new; if the conjunction is perfect, an eclipse of the sun will occur.
	reference.allrefer.com /encyclopedia/C/conjunc-ast.html (242 words)

	Conjunction -- from Eric Weisstein's World of Astronomy
		The term conjunction is also used more generally to mean a configuration in which two bodies have their least separation.
		There is only one type of conjunction for planets outside the Earth's orbit, namely the Earth and planet on opposite sides of the Sun.
		inferior conjunction occurs when the Earth and planet are on the same side of the Sun, and superior conjunction occurs when they are on opposite sides.
	scienceworld.wolfram.com /astronomy/Conjunction.html (160 words)

	Astronomy Answers: Astronomical Dictionary (Site not responding. Last check: 2007-10-11)
		In astronomy, anomaly is used for different kinds of angles that are important when calculating the position of objects in their orbits.
		The planets that are closer to the Sun (the inferior planets, Mercury and Venus) have two conjunctions per synodical orbital period: one when they pass between the Sun and the Earth (the inferior conjunction), and one when they pass behind the Sun (the superior conjunction).
		In astronomy, the continuum is the name for the combination of all colors that an object such as the Sun emits, and also for the broad variation from color to color in how much light is emitted.
	www.phys.uu.nl /~strous/AA/en/woordenboek.html (8382 words)

	Zoom Astronomy Glossary: C
		Conjunction is the apparent close approach of a planet to the Sun (or another planet), from the point of view of an observer on the Earth.
		Mercury and Venus have two positions of conjunction: when either planet is directly between the earth and the Sun, it is in inferior conjunction; when either planet is on the far side of the Sun from the earth, it is in superior conjunction.
		During conjunction, a planet cannot be seen from Earth (unless it is in transit); it is either behind the Sun or is lost in the glare of the Sun.
	www.enchantedlearning.com /subjects/astronomy/glossary/indexc.shtml (5832 words)

	The Nine Planets Glossary
		An inferior planet is said to be "in inferior conjunction" when it is directly between the Earth and the Sun.
		A superior planet is "in conjunction" when it is on the opposite side of the Sun from the Earth.
		When the Earth is at inferior conjunction with respect to an observer on a superior planet we say that planet is "in opposition" from Earth's perspective.
	www.seds.org /nineplanets/nineplanets/help.html (4940 words)

	conjunction - yourDictionary.com - American Heritage Dictionary
		the conjunction of historical and economic forces that created a depression.
		Astronomy The position of two celestial bodies on the celestial sphere when they have the same celestial longitude.
		A compound proposition that has components joined by the word and or its symbol and is true only if both or all the components are true.
	www.yourdictionary.com /ahd/c/c0573100.html (132 words)

	Curious About Astronomy: What are the "dog days of summer"?
		In Egypt, and in ancient Rome, Sirius was in conjunction with the Sun in the summer (ie.
		The called the period of time from 20 days before to 20 days after the conjunction "the dog days of summer" because it coincidentally fell at the time of year when it was very hot.
		Ask an Astronomer is hosted by the Astronomy Department at Cornell University and is produced with PHP and MySQL.
	curious.astro.cornell.edu /question.php?number=178 (336 words)

	mayanintro
		To say that it might have been an eclipse interval in their calendrical structure, however, probably would belie the facts because 819, while certainly close enough to measuring the moon's nodical motion, is not an adequate projection of the moon's synodic period to be immediately useful as an eclipse interval.
		While an event like this one may well have played a role in the development of Mayan perceptions of the sky with respect to their calendrical system, there is probably little hope now of proving with any certainty that they noticed such events and used them in some way to express concepts of temporal duration.
		On the day of the conjunction, Venus had reached 6.6* of elongation from the sun and was close to its last day of visibility in the morning sky before superior conjunction.
	www.geocities.com /Athens/Delphi/9976/mayanintro.html (1760 words)

	astronomy (Site not responding. Last check: 2007-10-11)
		During the Medieval Period, the study of Astronomy was based primarily on the model of the universe that was defined by Plato.
		The study of Astronomy in the Middle Ages consisted of the attempts to ascertain the relationships between planets based on the manner in which they rotated in relationship to one another.
		The instruments that were used in the Middle Ages in conjunction with the study of Astronomy included the astrolabe, a map of the stars and the quadrant.
	www.csupomona.edu /~plin/ls201/astronomy.html (108 words)

	Lunar conjunction - Wikipedia, the free encyclopedia
		A lunar conjunction is the moment when the earth, moon and sun, in that order, are approximately in a straight line.
		(See conjunction (astronomy) for a precise definition.) It is sometimes referred to as the new moon, though traditionally new moon refers to the first visible crescent of the moon.
		The period of time between two lunar conjunctions is the synodic month, which is a basic unit in most lunar and lunisolar calendars such as the Islamic calendar and the Hebrew calendar (known in that context as the molad in Hebrew).
	en.wikipedia.org /wiki/Lunar_conjunction (149 words)

	RedOrbit - Reference Library (Site not responding. Last check: 2007-10-11)
		A conjunction is the appearance of 2 or more planets close to each other on the celestial sphere.
		In Spring 2002, a rare grand conjunction occurred; in which Saturn, Jupiter, Mars, Venus and Mercury were all visible simultaneously in the west-northwest sky, shortly after sundown.
		An inferior conjunction occurs when two planets lie on exactly the same side of the Sun, whereas a superior conjunction occurs when two planets lie on exactly opposite sides of the Sun.
	www.redorbit.com /education/reference_library?article_id=267 (562 words)

	K3's Astronomy - Sky - Conjunctions
		Conjunction above the block of flats - for better imagination of the conjunction in the "real" world.
		After processing all conjunction photos I noticed, that movement of the Moon is apparent during 12 minutes of my imaging session.
		The animation was created from 2 photos taken at 18:28:14 UT and 18:40:38 UT. To see better the movement of the Moon, the third frame was inserted between these two - it was created as summation of these frames.
	www.pk3.org /Astro/sky_conj.htm (459 words)

	Archaeo Astronomy - Article in ANTHROQUEST
		Previous calendrical investigations into the area up to this time had superficially stated that the Borana "attach magical significance to the stars and constellations," incorrectly concluding that their calendar was based, as ours is, on solar motion.
		The third month starts with the new moon being observed in conjunction with the star Aldebarran, the next with Belletrix, then the area in between Central Orion and Saiph, and finally with the star Sirius.
		So the first six months of the calendar are started by the astronomical observations of the new phase moon found in conjunction with six specific locations in the sky marked by seven stars of star groups.
	www.tusker.com /Archaeo/art.anthroquest.htm (1691 words)

	Astronomy
		Most professional positions in astronomy and astrophysics generally require study leading to the Ph.D. degree.
		Program of study for major: The Bachelor of Science degree requires a minimum of 48 credit hours in astronomy and physics courses in a program to be developed by the student and the advisor and approved by the department.
		Study of a selected field in astronomy, according to student's interests, such as practical astronomy, astrophysics, binary stars, celestial mechanics, etc. Prereq.: Consent of instructor.
	www.drake.edu /artsci/physics/Physics_and_Astronomy_Catalog.htm (2326 words)

	Venus
		The pattern of Venus is usually reckoned at Inferior Conjunction, that time when Venus passes between the Sun and the Earth.
		When it first rises after inferior conjunction, that is when it was first spotted in the morning sky, called heliacal rising because it is rising with the sun, was the most important position of Venus.
		Venus had a psychological effect upon the Maya and other Mesoamerican cultures, it has been shown that the Maya were timing some of their wars based on the stationary points of Venus and Jupiter.
	www.michielb.nl /maya/venus.html (403 words)

	Untitled Document (Site not responding. Last check: 2007-10-11)
		This page contains information on utilization of the DSN facilities for radio astronomy observations (ground-based and in conjunction with the space projects) and publications in which the results of these observations and the radio astronomy instrumentation/techniques developments at the DSN are described (see Table 1).
		The history of the DSN antennas' utilization to support radio astronomy programs (number of hours at 64-70m and 34m subnets vs. years) is shown in Figure 1.
		The history of publications related to the radio astronomy research with the DSN is depicted in Figure 3.
	dsnra.jpl.nasa.gov /DSNRAoutcome/DSNRAoutcome.html (1013 words)

	Astronomy Pictures, Amatuer Astrophotography and Meade Telescope Astronomy Pictures
		Astronomy pictures or pictures of astronomy objects are quite beautiful.
		Be sure to visit the Messier Object List, a compilation of amateur astronomy pictures taken by myself as well as members of the San Diego Astronomy Association’s AISIG to show the Messier Catalog photographically.
		Another valuable astronomy tool is the Moon Phase Calendar to see the moon's phase when planning your astronomy picture taking and observing session.
	www.astronomy-pictures.com (430 words)

	Venus and Jupiter \| Astronomy Blog
		Astronomy Blog » archive » Venus and Jupiter
		An astronomy blog usually (but not always) based in the UK.
		Pop over to the Bad Astronomy blog to see what it looked like from California, or to Astroblog for a view from down under.
	www.strudel.org.uk /blog/astro/000317.shtml (199 words)

	Flandrau Science Center :: Astronomy: Skywatchers Guide (Site not responding. Last check: 2007-10-11)
		Having lost Jupiter from view in the glare of the Sun, all the bright naked eye planets currently visible are in the morning sky.
		In September 2004 Mars and Jupiter are too close to the Sun to be seen in the twilight sky.
		Both planets pass through conjunction with the Sun this month: Mars on September 14 and Jupiter on the 21st.
	www.flandrau.org /astronomy/skywatchers/detailpage.php?srid=70 (1551 words)

	Astronomy Events for 2005
		Conjunction: Occurs when two or more bodies appear close together in the sky.
		Inferior conjunction: When planet Mercury or Venus pass between the Sun and the Earth.
		Occultation: Passage of one object in front of a smaller one, thus obscuring all or part of the background object from view.
	www.go-astronomy.com /solar-system/event-calendar.htm (1287 words)

	Phil Plait's Bad Astronomy: Misconceptions (Site not responding. Last check: 2007-10-11)
		May 3, 2000: The telescope SOHO is positioned between the Earth and Sun, and take images of the Sun continuously.
		He also has a couple of nice sky maps of these alignments on his conjunction analysis webpage.
		There is also an excellent page giving great detail about the upcoming "alignment" brought to you by the good folks at The Griffith Observatory, who are also good friends of these Bad Astronomy pages.
	www.badastronomy.com /bad/misc/planets.html (2096 words)

	IAAS Monthly Astronomy Newsletter
		ercury - Is in inferior conjunction at 5 pm EST on the 8th as it transits the Sun.
		Solar conjunction is the period when Earth and Mars, in their eternal march around the Sun, are obscured from each other by the fiery orb of the Sun itself.
		Each day during conjunction, Spirit will spend 3 hours analyzing dust collected on the rover's filter magnet using the Moessbauer spectrometer and 24 minutes conducting a variety of early morning science observations.
	bfa3.home.att.net /astro.html (2875 words)

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