What it looks like Published on June 25, 2024June 23, 2024 by fivecolorssandt@icloud.com The craters of the Moon It looks like something familiar. . . Read More
Misnaming things Published on May 14, 2024May 14, 2024 by fivecolorssandt@icloud.com The astronomer’s dictionary Misleading terms make learning Astronomy harder. Read More
Old projects Published on April 16, 2024April 15, 2024 by fivecolorssandt@icloud.com A plea for documentation We pull out something from the archives. Read More
The answers Published on April 2, 2024March 31, 2024 by fivecolorssandt@icloud.com and explanations We present the answers to last week’s conundrums. Read More
time and tide Published on March 19, 2024March 17, 2024 by fivecolorssandt@icloud.com Teaching complexity Almost every subject is complicated if you go deeply enough into it. Where do you stop teaching? Read More
A detached bit of night Published on March 12, 2024March 10, 2024 by fivecolorssandt@icloud.com The solar eclipse We remind you of an opportunity next month. Read More
New books and old Published on February 20, 2024February 18, 2024 by fivecolorssandt@icloud.com Adding and subtracting We have too many books, but sometimes we add more. Read More
Moonset, Moonrise Published on October 31, 2023October 31, 2023 by fivecolorssandt@icloud.com Signs in the sky Was it a long day, or a long night? Read More
People are different Published on October 17, 2023October 16, 2023 by fivecolorssandt@icloud.com Visual photometry Human eyes are not the same as electronic detectors. Read More
Eclipse planning Published on September 19, 2023September 17, 2023 by fivecolorssandt@icloud.com Choosing one’s data We contemplate activity during a very short time span. Read More