Which of the following statements is not an observed pattern of motion in our solar system?

Question

BlackTom AI · Accepted Answer

The question asks which statement is not an observed pattern of motion in our solar system.
The provided answer option is: 'Most planets orbit at the same speed.'
First, consider what we observe: planetary orbital speeds vary depending on their distance from the Sun. Kepler's laws tell us that planets move faster when closer to the Sun and slower when farther away, leading to a range of orbital velocities rather than a uniform speed across planets.
Since the speeds are not uniform, the statement that most planets orbit at the same speed does not match observed reality, making it a candidate for the correct choice.
If we had additional options, we would evaluate them similarly by checking if the described pattern aligns with observed orbital dynamics such as speed variation with distance, elliptical shapes, and changes in velocity along the orbit. However, with the single option provided, this is the statement that conflicts with actual observations of planetary motion.
In short, the not-observed pattern is the idea of uniform orbital speed across most planets, which contradicts well-established celestial mechanics.

EARTHSC 2205 SP2025 (19389) Solar System

Which of the following statements is not an observed pattern of motion in our solar system?

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