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8 votes

"Tidally locked" Oort Cloud object

Suppose you orbit with period $P$, and have a angular velocity $\omega$ randomly chosen (let's start with everything aligned in a plane orthogonal to spin too). Then to keep your face pointed towards ...
12 votes

"Tidally locked" Oort Cloud object

The question in the title and the body are different. There are no tidally locked objects in the Oort cloud. The sun's tidal forces at that distance are not sufficient to lock an object's rotation. ...
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4 votes

Outer Limit of Oort Cloud

Here is a link to a list of close passages between the Sun and nearby stars calculated to have happened in the past few million years or to happen in the future few million years. All of them ...

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