Category Archives: Mathematics

Absolute Magnitude Luminates Absolutely

This week I want to discuss “What might cause the closer of two identical stars to appear dimmer than the farther one?” Apparent Magnitude: A measurement of the brightness of stars without regard to their distance from Earth. The scale … Continue reading

Posted in Astronomy, Constellations, Mathematics, Science, Sirius, Stars, STEM, Ursa Major, Vega | Tagged , , , , , , | Leave a comment

No, Chicken Little, the Sky is Not Falling

My topic for discussion this week will attempt to answer the question: Why do astronomers believe that the debris that creates many isolated meteors comes from asteroids, whereas the debris that creates meteor showers is related to comets? But first, … Continue reading

Posted in Asteroids, Astronomy, Comets, Mathematics, Science, Solar System, STEM | Leave a comment

Foci and Mirrors

This week’s discussion topic will attempt to answer the question: Suppose your Newtonian reflector has a mirror with a diameter of 20 cm and a focal length of 2 m. What magnification do you get with eyepieces whose focal lengths … Continue reading

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Newton and Neptune

My second post in my series of weekly discussion topics for my Introduction to Astronomy online class.  Last week I got up close and personal with the many sides of the Moon.  This week I take a closer look at … Continue reading

Posted in Astronomy, Mathematics, Neptune, Science, Solar System | Tagged , , , | 2 Comments

WorldCon Withdrawals

Despite what my husband thinks, I have not over-dosed on science fiction since last Wednesday when the 74th World Science Fiction Convention (commonly referred to as WorldCon) arrived for the second time in Kansas City, Missouri.  MidAmeriCon II ended yesterday … Continue reading

Posted in Art, Astronomy, Books, Engineering, Fantasy, Mars, Mathematics, Musings, Science, Science Fiction, STEM, Summer | Tagged , , , , , , , | 1 Comment

The Case of the Vanishing January

Today is the 22nd of January and of 2016.  I woke up this morning to a bitter cold Friday, to the prospect of working through most of the weekend.  Not the best way to start your day.  A huge project … Continue reading

Posted in Astronomy, Books, Mathematics, Movies and Television Shows, Musings, Science, Seasons, STEM, Winter | Tagged , , , , , , , | 4 Comments

How Chess Has Changed Over The Last 150 Years

http://io9.com/how-chess-has-changed-over-the-last-150-years-1707692642 Chess is one of those games I know how to play but have no desire to play. As noted in this article, the rise of the machine has made human play almost an afterthought. I like computers but I … Continue reading

Posted in Information Technology, Mathematics, Musings, STEM | Tagged , , , , | 1 Comment