Solving solar system quandaries is simple: Just flip-flop the position of Uranus and Neptune

Quick: What’s the order of the planets in the solar system? Need a little help? Maybe the following mnemonic rings a bell: “My Very Educated Mother Just Served Up Nine Pizzas.” It’s useful for remembering the order of the planets today, but it wouldn’t have been as useful in the past, and not just because the International Astronomical Union demoted Pluto to “dwarf planet” last year.

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<p><a href="http://www.physorg.com/news116610985.html">Solving solar system quandaries is simple: Just flip-flop the position of Uranus and Neptune</a></p> <p>Quick: What’s the order of the planets in the solar system? Need a little help? Maybe the following mnemonic rings a bell: “My Very Educated Mother Just Served Up Nine Pizzas.” It’s useful for remembering the order of the planets today, but it wouldn’t have been as useful in the past, and not just because the International Astronomical Union demoted Pluto to “dwarf planet” last year.</p>