Open

Today I noticed that there is a command on Mac OS X named open. It just opens any document or folder that you pass as a command line argument as if you double click on it within finder. That’s useful for viewing pdfs or images.

Why did nobody tell me that?

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Mauna Kea

Just have a look at today’s Astronomy Picture Of the Day (APOD). Or at this video (thanks to Geoffroy).

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Anglesey Abbey

Anglesey Abbey

Orange and Green.
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On the evolution..

Growth due to diffusion

Growth due to diffusion

My paper

On the evolution of mean motion resonances through stochastic forcing: Fast and slow libration modes and the origin of HD128311

has been accepted. The new version is now online at  http://arxiv.org/abs/0811.1813 and will appear in Astronomy and Astrophysics soon.

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Planetesimals

Planetesimals

This is a screenshot from a project that I’m currently working on. These are no galaxies but rather planetesimals. Although the two astronomical objects looks remarkably similar in a picture like this, the size difference is huge (23 orders of magnitude).
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