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Category: programming

Gander

This is how the great-circle route from London to Puerto Vallarta should have looked.  Beginning,

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Author GuyPosted on 2017-12-192017-12-19Categories language, places, programmingTags Gander, great circle routes6 Comments on Gander

Algorithms and Sloped Tax

This piece will start off about astronomy but segue into fair taxation.  You may have noticed Continue reading “Algorithms and Sloped Tax”

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Author GuyPosted on 2017-11-022017-11-02Categories astronomy, politics, voting, programmingTags algorithms, astronomy, Neptune, tax17 Comments on Algorithms and Sloped Tax

The Speed of the Barycenter Settled?

I thought I should wait at least a day to let your answers Continue reading “The Speed of the Barycenter Settled?”

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Author GuyPosted on 2017-05-04Categories astronomy, programmingTags astronomy, barycenter, celestial mechanics, geometry, Moon11 Comments on The Speed of the Barycenter Settled?

The Speed of the Barycenter

Here is a puzzle to amuse you.  It’s a smallish question on which you might like to test your math.  Continue reading “The Speed of the Barycenter”

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Author GuyPosted on 2017-05-03Categories astronomy, programmingTags astronomy, barycenter, Moon25 Comments on The Speed of the Barycenter

Comets, and beams to them

Two of the comets that return to us this year come to their Continue reading “Comets, and beams to them”

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Author GuyPosted on 2017-04-172017-04-17Categories astronomy, programmingTags astronomy, cometsLeave a comment on Comets, and beams to them

Azequid, and other projections

Here again is the sky chart

Sky chart with azimuthal equidistant projection

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Author GuyPosted on 2016-08-242016-12-04Categories astronomy, geometry, programmingTags astronomy; mapping; projections; mapping projections8 Comments on Azequid, and other projections

We’re at Guantánamo, Which Way to Mecca?

The red curve is the shortest route between them.

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Author GuyPosted on 2016-02-292016-11-21Categories astronomy, geometry, miscellaneous, programmingTags great circles, Guantanamo Bay, Islam, Mecca7 Comments on We’re at Guantánamo, Which Way to Mecca?

Quadrantids and Edot revisited

This is another confession. Continue reading “Quadrantids and Edot revisited”

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Author GuyPosted on 2016-01-082016-11-18Categories astronomy, geometry, programmingTags astronomy, meteors, orbits6 Comments on Quadrantids and Edot revisited

The Quadrantids and the Edot

The Quadrantid meteor stream hits us in the night of Jan. 3/4. Here is the picture from Astronomical Calendar 2016 page 6, but more expansively and with an addition.

ho160104moMetQuaBlog

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Author GuyPosted on 2016-01-032016-11-17Categories astronomy, geometry, miscellaneous, programmingTags astronomy, meteors5 Comments on The Quadrantids and the Edot

A confession about the Final Astronomical Calendar

If you could have looked down through my ceiling during the evenings – not just the evenings – of Continue reading “A confession about the Final Astronomical Calendar”

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Author GuyPosted on 2015-11-082016-11-17Categories art, astronomy, best?, miscellaneous, places, programming27 Comments on A confession about the Final Astronomical Calendar

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