Tag Archives: maps

I get mail: Why are maps of the universe drawn as ellipses?

You’ve almost certainly seen all-sky maps like the Planck CMB map, above. To those of us in the biz, it may seem obvious what it is we’re looking at, but that’s only because we’re overly familiar. It’s worth reminding ourselves … Continue reading

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Maps again (and a few announcements)

I’ve been a little lax with the blogging lately. I’m sure you’ll forgive me. Before getting to the main topic, I have a couple of quick announcements: I have an column coming out Wednesday or Thursday this week. I’ll be … Continue reading

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What's the best map projection?

Next term, I’ll be teaching a course in general relativity, and while preparing my notes on the curvature of space, I was reminded of a really fun paper I worked on with Rich Gott a few years ago. As you … Continue reading

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