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This event is known as a Great Conjunction, where the orbits of Jupiter and Saturn align roughly every 20 years. However, a planetary alignment involving all the planets is a rare occurrence and may not happen exactly every 100 years.

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1y ago

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How many years apart do the planets align?

the planets align every millenia


How often do planets align?

Every 25thousand years.. the next time will be in 2012


Could planets align?

Two or three planets align from time to time, but an alignment of all the planets would never happen. The chances of the planets ever lining up in our lifetime is zero. The chances of the planets ever lining up has been calculated to be about once every 8.6 x 1046 years. That's 86 billion, trillion, trillion, trillion years. The age of the Solar System is only about 4.6 x 109 years or 4.6 billion years and the Universe is only about 13.75 billion years old.


When will all planets inline?

All planets in our solar system will never align perfectly in a straight line due to their different orbital paths and speeds. The closest alignment that occurs is called planetary alignment, and it happens roughly every 500 years.


How many years does it take for all the planets to align?

The time it takes to get from one planet to another depends on the departure and arrival planets. It can take about two years to get from Earth to Mars where it will take about six years to get from Earth to Jupiter.


How often do all the planets line up?

All of the planets in our solar system rarely align perfectly due to their different orbital paths and speeds. When a multi-planet alignment does occur, it is not generally a true line-up in space but rather an alignment as seen from Earth. Such alignments can happen every few decades, but a perfect alignment where all planets are in a straight line is extremely rare and has not occurred for hundreds of years.


What planets orbits the sun every 165 years?

Neptune orbits the sun roughly every 165 years.


How often do planets align in your solar system?

To start, hopefully my solar system is the same as yours. There is no definite answer depending on how perfectly aligned you are asking. There was an alignment of sorts with 5 planets and the moon May 5th, 2000. The next one of those will happen in 2040. Including all the planets and a near perfect to perfect alignment, it's in the millions of years to trillions of years. For better information check out below:


How often do the planets aline?

The planets do not align frequently. A perfect alignment of all planets in our solar system is very rare due to their different orbits and speeds of rotation. The last time all the planets aligned in a straight line was in 561 BC, and such a perfect alignment won't happen again for millions of years.


When will all the planets line up in a line?

The chances of the planets ever lining up are so statistically improbable that it is safe to say it will never happen. The actual chances of the planets ever lining up has been calculated to be about once every 8.6 x 1046 years. (That's once every 86 billion, trillion, trillion, trillion years.) Since the Sun will be gone in about 10 billion years, it is impossible for this to happen.


How could the Mayans know the planets line up every 26 thousand years if they did not have the modern telescopes we have today?

It's probably they used to somehow study the planets. Already they supposedly "knew" that the other planets evolved around Earth, so then it would have been easier for them to know that the planets lined up every 26 000 years.


When does Jupiter align with mars?

About every 27 months. There was one alignment in July, 2002, so just repeatedly add 27 months to find when others will occur. My source is an astrology source, not an astronomy source, but astrologers really do know how to predict the positions of the planets. It is just the meaning of those positi...