Tag Archives: moon

Thoughts on Colonizing Space

[Image found here.] It is no secret than I am not a fan of our current president, Donald Trump. I’ve been watching him carefully, and have found exactly one point of agreement with the man: humans should colonize the planet … Continue reading

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A Scenario I Would Like to See: Friendly Competition, Between Teachers’ Unions and School Administrators, to Help School Libraries Everywhere

During the Cold War, the usual way nations compete (direct warfare) was taken off the table by the invention of the hydrogen bomb. With the alternative being mutually-assured destruction, the two sides, led by the USA and the USSR, had … Continue reading

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Is the Moon a Magnet for Ignorance?

Google’s search-suggestions for “is the moon,” shown above, clearly indicate support for the “magnet for ignorance” conjecture. My favorite one from this list: “is the moon real”? I’ve looked into this, and there are apparently quite a few people utterly … Continue reading

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On Binary Planets, and Binary Polyhedra

This image of binary polyhedra of unequal size was, obviously, inspired by the double dwarf planet at the center of the Pluto / Charon system. The outer satellites also orbit Pluto and Charon’s common center of mass, or barycenter, which … Continue reading

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How to Distinguish Between the Waxing and Waning Moon, At a Glance

This is a waxing moon, meaning the sunlit portion we can see is growing. The outer curve also makes this view of the moon shaped more like the letter “D,” compared to the letter “C.” For the useful mnemonic here, … Continue reading

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Craters and Slopes Near the South Pole of the Moon Adorn the Faces of a Rhombic Enneacontahedron

The images on the faces of this polyhedron are based on information sent from NASA’s Lunar Reconnaisance Orbiter, as seen at http://lunar.gsfc.nasa.gov/lola/feature-20110705.html and tweeted by @LRO_NASA, which has been happily tweeting about its fifth anniversary in a polar lunar orbit recently. … Continue reading

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Surface Gravitational Field Strengths for Numerous Solar System Objects

It isn’t difficult to find rankings for the most massive objects in the solar system, rankings of objects in terms of increasing distance from the sun, or rankings of objects by radius. However, ranking objects by surface gravitational field strength … Continue reading

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