What Caused Saturn to Lurch?

Saturn’s rings are misaligned with the planet’s equator. Sometime in the 1980s, either the ring moved, or the planet did. A second dispatch from the annual planets meeting.

FAJARDO, Puerto Rico—I first heard about Matt Hedman’s talk while going out to dinner on Tuesday night. Best talk of the meeting, I was told. Everywhere I went yesterday, I kept hearing about this guy Matt Hedman. A former professor of mine chided me for missing his presentation. The problem with the Division for Planetary […]

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