Q:

When is the next complete planetary alignment?

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Quick Answer

Due to their varying axial tilts, the planets of the Solar System are never completely aligned. However, they do sometimes get close enough to be called an alignment. Planetary alignments as seen from the Earth are more common.

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Full Answer

Astronomers define an alignment as varying levels of proximity between the planets. Universe Today reports that the planets all come within 90 degrees of each other roughly once every 200 years. According to Universe Today, a relatively close alignment of Saturn, Venus, Jupiter and Mars, as seen from Earth, should occur in September 2040.

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Related Questions

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    What is the name of our solar system?

    A:

    The planetary system in which the Sun, Earth and nearby planets are located is called the Solar System, with the first letters capitalized. Other networks of planets orbiting stars are called planetary systems and are named after the most prominent star in their systems.

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    How many planets have rings?

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    There are four planets within the Solar System that have rings. All of the outer planets, often called "gas giants," have a system of rings.

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    What is it called when all the planets line up?

    A:

    When multiple planets line up in space, the phenomenon is called "planetary alignment." According to Universe Today, the different axial tilts of the planets do not allow them to ever line up perfectly. However, they do all fall into the same quadrant once every few centuries.

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    When will the planets align?

    A:

    The planets in this solar system never line up perfectly, but they will come into alignment in 2854. Each planet rotates around the sun at a different speed, and the planets form a rough alignment once every 500 years.

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