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The term is also used to describe situations when all the planets are on the same side of the Sun although they are not necessarily in a straight line, such as on March 10, 1982. [8] Apparent planetary alignment involving Mercury, Venus, Mars, and Jupiter; the Moon is also shown, as the brightest object.
Catching a glimpse of the planets will depend on the time of day and their relative distance from the planet at the time. For example, Venus, Saturn and Jupiter are best viewed after sunset at ...
Draw a line between the two planets, then follow that line upwards to find Jupiter high overhead. Sky chart showing the planets visible to the naked eye after dark in January. NASA/JPL-Caltech
Seven planets are set to appear in the night sky this month in a rare full planetary alignment. Mars, Jupiter, Uranus, Venus, Neptune, Mercury and Saturn will appear in a row on the evening of 28 ...
All bodies in the Solar System attract one another. The force between two bodies is in direct proportion to the product of their masses and in inverse proportion to the square of the distance between them. As the planets have small masses compared to that of the Sun, the orbits conform approximately to Kepler's laws.
When two planets are on opposite sides of the Sun, there is an opposition from the point of view of the Sun. In either case, the interval between two such occurrences involving the same two planets is not constant because the orbits are not circular and because the planets perturb one another.
Because planets always appear in a line, the alignment isn't anything out of the norm. What's less common is seeing so many bright planets at once. Planetary alignments aren’t rare, but 6 ...
The interval between two conjunctions involving the same two planets is not constant, but the average interval between two similar conjunctions can be calculated from the periods of the planets. The "speed" at which a planet goes around the Sun, in terms of revolutions per time, is given by the inverse of its period, and the speed difference ...