Author Archives: mossjon314159

About mossjon314159

Avid reader (see my book reviews and ratings here), amateur astronomer and photographer, sporadic crocheter and Rottweiler spoiler.

Monochrome Mania

A friend and work colleague of mine who also happens to be a photographer started posting snapshots in her Facebook feed last week.  The challenge was to take a photo a day from your life with no people featured in … Continue reading

Posted in 2D, Art, Autumn, Digital, Dogs, Family, Photography, Rottweilers, Seasons | Tagged , , | Leave a comment

Solar Cycle Stranger Things

I’ve reached the halfway point through my Introduction to Astronomy class. This week marks the eighth week of fifteen, sixteen if you count the first week where we just spent time getting to know each other and exploring the textbook … Continue reading

Posted in Astronomy, Science, Solar System, Stars, STEM | 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

Blue and Green with Envy

In this week’s discussion topic, I attempt to answer the question “Why are Uranus and Neptune distinctly bluer than Jupiter and Saturn?” On Uranus and Neptune, the methane absorbs red, orange and yellow light, reflecting back the blue.  In contrast, … Continue reading

Posted in Astronomy, Neptune, Science, Solar System, STEM, Uranus | Tagged , , , , , , , | 1 Comment

Dark Seas and Bright Highlands

On the basis of lunar rocks brought back by the astronauts, explain why the maria are dark-colored, but the lunar highlands are light-colored? Regions of both the near side and far side of the Moon not covered by mare basalt … Continue reading

Posted in Astronomy, Moon, Science, STEM | Tagged , , , | 2 Comments

Gas Giant Genesis

Which giant planet formed first? Short answer:  Jupiter Long answer:  Still Jupiter, but let’s dive in and take a more detailed look. Birth of a Gas Giant A long time ago in a solar system very near you, just 1 … Continue reading

Posted in Asteroids, Astronomy, Comets, Jupiter, Mars, Science, Solar System | Tagged , , | 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

Posted in Astronomy, Mathematics, Science, Technology | Tagged , , | Leave a comment