Of course, one Kuiper resident, the demoted planet Pluto, is perhaps omitted in modern toys. This flatness extends to the asteroid belt between Mars and Jupiter, though some members of the region of icy objects past Neptune called the Kuiper belt are more extreme, with inclinations up to 30 degrees. Our solar system is actually pretty flat, with most of its planets orbiting within three degrees of the plane of the Earth’s orbit around the sun, called the ecliptic. Do the planets really align in a plane, or do their orbits crisscross around the sun at different angles? It turns out that the toy isn’t too far off, at least for this aspect (just don’t ask about the planets’ relative sizes or distance from the sun!). ![]() While rotating tiny planets at the end of their wires around a bright orange sun, some might wonder about the accuracy of these toy models of our solar system.
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