Solar System Solar System The early bombardment phase was a period early in the history of the solar system where the rubble and debris from the Sun's formation had not yet cleared. ...more on Wikipedia about "Early bombardment phase"
The ecliptic plane is the geometric plane that contains the orbit of the Earth. The ecliptic is the intersection of the ecliptic plane and the celestial sphere. A more intuitive definition would be to say that the ecliptic is the apparent path of the Sun during a year as seen from Earth. The orbits of most planets in the Solar System lie very close to it. Seen from the Earth, this is a bisecting great circle, superimposed upon the celestial sphere, which contains the different points of the Sun's path, relative to the background stars, over the course of a year. The zodiac also lies along the ecliptic plane. The ecliptic plane is inclined by ~23.5°, with respect to the celestial equator; a result of axial tilt. The orbital plane of the Moon is inclined by ~5°, with respect to the ecliptic. ...more on Wikipedia about "Ecliptic"
(Extraterrestrial skies) In summary, whenever an eclipse of some sort is occurring on the Earth, an eclipse of another sort is occurring on the Moon. Eclipses occur for both Earth and Lunar observers whenever the two bodies and the Sun align in a straight line. ...more on Wikipedia about "Extraterrestrial skies"
Gegenschein ( German for counterglow) is a faint brightening of the night sky in the region of the zodiac directly opposite the Sun caused by reflection of sunlight by small dust particles released both by ...more on Wikipedia about "Gegenschein"
This is a directory of lists of geological features on other planets, moons and asteroids. ...more on Wikipedia about "Geological features of the Solar System"
The heliosheath is the zone between the termination shock and the heliopause at the outer border of the solar system. It lies along the edge of the heliosphere, a "bubble" caused by solar winds. ...more on Wikipedia about "Heliosheath"
The heliosphere is a bubble in space produced by the solar wind. Although electrically neutral atoms from interstellar space can penetrate this bubble, virtually all of the material in the heliosphere emanates from the Sun itself. ...more on Wikipedia about "Heliosphere"
The Heliospheric current sheet (HCS) is the surface within the Solar System where the polarity of the Sun's magnetic field changes from plus (north) to minus (south). This field extends from the Sun's equatorial plane throughout the entire Solar System, and can be considered its largest structure ** . The shape of the current sheet results from the influence of the Sun's rotating magnetic field on the plasma in the interplanetary medium ( Solar Wind) ** . A small electrical current flows within the sheet, about 10-10 amps/m2. The thickness of the current sheet is about 10,000km. ...more on Wikipedia about "Heliospheric current sheet"
The interplanetary medium is the material which fills the solar system and through which all the larger solar system bodies such as planets, asteroids and comets move. ...more on Wikipedia about "Interplanetary medium"
Interplanetary space is that part of outer space between planets in a solar system and its local star(s), many of which are binaries. Around any one planet, this space begins in the extended region where any amosphere, magnetic field and moons end, ceding dominance to the local star; in our case, the Sun. ...more on Wikipedia about "Interplanetary space"
Kordylewski clouds are large concentrations of dust that may exist at the L4 and L5 Lagrangian points of the Earth-Moon system. They were first reported by Polish astronomer Kazimierz Kordylewski in the 1960s but there is still controversy as to whether they actually exist, due to their extreme faintness. It is thought by some that they could be a transient phenomenon as the L4 and L5 points are unstable due to the perturbations of the Sun. ...more on Wikipedia about "Kordylewski cloud"
The Late Heavy Bombardment (LHB) was a period approximately from 3800 to 4000 million years ago during which the Moon, Earth, Mercury, Venus, and Mars were subjected to many impacts from space. The evidence for this and the dating comes mainly from analysis of the craters of the Moon and Moon rocks. It formed some craters the size of continents. This bombardment came after a relatively calm period of several hundred million years. It is not yet clear exactly what brought about the renewed bombardment. One possibility is that Jupiter's orbit shrank, causing it to clean out the outer edges of the asteroid belt, a portion of which would have been sent careening into the inner solar system. ...more on Wikipedia about "Late Heavy Bombardment"
Non-periodic comets are seen only once. They are usually on near- parabolic orbits that will not return to the vicinity of the Sun for thousands of years, if ever. ...more on Wikipedia about "List of comets"
* List of asteroids ...more on Wikipedia about "List of minor planets"
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An eclipse refers to the phenomenon of one body passing into the shadow cast by another body. In astronomy, the best-known type of eclipse occurs whenever the Sun, Earth and Moon line up exactly. If this occurrence is at the time of a Full Moon where the Moon passes through the Earth's shadow, it is called a lunar eclipse. The type and length of a lunar eclipse depends upon the Moon's location relative to its orbital node. If the lining up of the Sun, Moon and Earth occurs at New Moon, the event is usually referred to as a solar eclipse (although the term is a misnomer and can more accurately be referred to as an occultation of the Sun by the Moon). ...more on Wikipedia about "Lunar eclipse"
Nine Views is an ambiental installation in Zagreb, Croatia which, together with the sculpture Prizemljeno sunce (The Grounded Sun), makes up a consistent model of solar system. ...more on Wikipedia about "Nine Views"
==A Solar system numerical model== ...more on Wikipedia about "Numerical model of Solar system"
An orrery is a mechanical device that illustrates the relative positions and motions of the planets and moons in the solar system in heliocentric model. They are typically driven by a large clockwork mechanism with a globe representing the Sun at the centre, and with a planet at the end of each of the arms. ...more on Wikipedia about "Orrery"
Peak of Eternal Light (PEL) describes a point on a body within the solar system which is eternally bathed in sunlight. This is due to both the bodies' rotation and the point's altitude. The existence of such peaks was first proposed by Camille Flammarion in 1879, who speculated that there may exist pics de lumiere eternelle at the poles of the Moon. Peaks of Eternal Light would be advantageous for space exploration and colonization due to the ability of an electrical device located there to receive solar power regardless of the time of day, and the relatively stable temperature range. ...more on Wikipedia about "Peak of Eternal Light"
In physics, an orbit is the path that an object makes around another object while under the influence of a source of centripetal force, such as gravity. ...more on Wikipedia about "Planetary orbit"
A Saros cycle is a period of 6585 + 1/3 days (approximately 18 years 10 days and 8 hours) which can be used to predict eclipses of the Sun and the Moon. Once every saros period, the Sun, Earth and the Moon return to approximately the same places and therefore almost identical solar and lunar eclipses repeat one saros apart. For example, there was a total eclipse of the Sun on 11 August, 1999 centred over Europe and there will be a similar eclipse of the Sun on 21 August, 2017. Due to the one third of a day fraction, Earth will be one third of a turn (120 degrees) through its daily rotation so the eclipse will happen 120 degrees west, i.e. over North America. ...more on Wikipedia about "Saros cycle"
The Seven heavenly objects are the bright objects in the sky which can be seen with the naked eye from anywhere on the Earth: the planets Mercury, Venus, Mars, Jupiter, and Saturn, the Sun, and Moon. They are occasionally called luminaries (meaning "shining object") to avoid confusion with the astronomical term planet. ...more on Wikipedia about "Seven heavenly objects"
Solar conjunction occurs when a planet or other solar system object is on the opposite side of the sun from the Earth. From an Earth reference, the object will pass behind the sun. Communication with any spacecraft in solar conjunction will be severely limited due to the sun's blocking radio transmissions from the spacecraft. The term can also refer to the passage of the line of sight to an inferior planet (Mercury or Venus) being very close to the solar disk. If the planet passes directly in front of the sun, a solar transit occurs. ...more on Wikipedia about "Solar conjunction"
A solar eclipse occurs when the Moon passes in front of the Sun and obscures it totally or partially. This configuration can only occur at New Moon, when the Sun and Moon are in conjunction, as seen from Earth. A total solar eclipse is considered by many to be the most spectacular natural phenomenon that one can observe. ...more on Wikipedia about "Solar eclipse"
In cosmogony, the solar nebula is the gaseous cloud (or accretion disc) from which our solar system is believed to have formed. This nebular hypothesis was first proposed in 1755 by Immanuel Kant, who argued that nebulae slowly rotate, gradually condensing and flattening due to gravity, eventually forming stars and planets. A similar model was proposed in 1796 by Pierre-Simon Laplace. ...more on Wikipedia about "Solar nebula" www.shortopedia.com Is Good For You. shortopedia
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