Parade of planets on December 21 will not be

Parade of planets (the exact term — connection) — celestial phenomenon in which a certain number of planets in the solar system is built close to the same line. In this case, the objects are visually close to the sky. If the difference between the ecliptic latitudes while also small, there may be events covering more physically distant object, inferior conjunction (in the case of connecting the inner planets and the Sun) and the eclipse of the sun (in the case of a compound of the Moon and the Sun).

Inner planets, Venus and Mercury in one synodic period twice come into conjunction with the Sun. If this planet is located between the Earth and the Sun, comes lower connection (internal), and if the sun is located between the planet and the Earth, then it is called superior conjunction (external).

Small parade — the astronomical phenomenon, in which four planets lined up in a straight line in space, and can be seen in the sky close to each other. These planets are Venus, Mars, Saturn and Mercury. Small Parade of planets is 1 per year.

Large ("great") parade — astronomical event in which six planets line up in one line. These include: the Earth, Venus, Jupiter, Mars, Saturn, Uranus. Great Parade of planets occurs every 20 years.

See the parade of planets is called a planetary configuration, when the five brightest planets (Mercury, Venus, Mars, Jupiter and Saturn) in its motion across the sky matched to each other at close range and become visible at the same time in a small sector (10 — 40 degrees ) sky. Parade of planets can be seen either in the evening or in the morning.

Mini-Parade of planets
with four planets happens more often, and a mini-parade of planets with the three planets can be observed every year (or even twice a year), but the conditions for their appearance are not the same for different latitudes of the Earth.

Parade of planets visible with five bright planets occur no more frequently than once every 18-20 years, and should be closely parade of 5 planets in the sector of 38 degrees in March 2022.

Parade of planets is called the configuration of planets in the solar system, when the planets, including the invisible to the naked eye, "line up" on the same side of the sun in the small sector. The nearest such configuration (except Pluto) is expected in 170 years.

Illustrations:

That's visible in the sky, a small Parade of planets:


That's a small Parade of planets looks from the outside, if we look at the solar system from the top:


And this is, in principle, should look like the "ideal" Parade of planets.
But since orbits of the planets is still not circles, and ellipses, and speed them on different orbits, the probability of such an event tends to zero.


ie such Parade of planets extremely unlikely event.

But the event, when the sky there are two or three planets with the Moon can not be called a parade, except that "mikroparadom" or a "dress rehearsal."

This year, the world will be on the sky as a formation of soldiers on parade — one after the other and all of them can be seen throughout the year.

To date, no association between the parade of planets and some significant developments in the world and in society (accident, death, people, etc.). Can only arise from the fear of not knowing.

According to estimates, the total time for the historical Parade of planets occurred June 11, 1128. Then the convergence angle of 40 degrees, and no disasters in the year was not.

StarCalc. It can be seen that the planets in different constellations, planets parade 2012 not:


Program paradplanet.swf — is freely available online:


Program Solar System Scope:


Parade of planets is called an event when some visible to the naked eye planets are close enough to each other in the sky.

Small Parade of planets occurs when gathered together four of the world. Large (or great) Parade of planets— When going to the five planets. Parade of planets visible with five bright planets occur no more frequently than once every 18-20 years, and should be closely parade of 5 planets in March 2022.

Parade of planets is called the configuration of planets in the solar system, when the planets, including the invisible to the naked eye, "line up" on the same side of the sun in the small sector and planets are visible, almost in the same direction. The nearest such a configuration is expected in 170 years.

In December 2012, no great or small parade of planets will not happen. The planets will be visible and in the evening and in the morning sky in different constellations.

Category: Astronomy and Space

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