Getting the stars right Published on August 13, 2024August 12, 2024 by fivecolorssandt@icloud.com Does it matter? We wonder how careful a fiction author really needs to be. 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
Old-fashioned astronomers (III) Published on March 29, 2022March 28, 2022 by fivecolorssandt@icloud.com Publishing Roger Griffin Where does an astronomer go to discuss his results? Read More
Old-fashioned astronomers (II) Published on March 22, 2022March 21, 2022 by fivecolorssandt@icloud.com Roger Griffin Know your data! Read More
Not quite constant Published on April 13, 2021April 12, 2021 by fivecolorssandt@icloud.com Dealing with precession We note some of the difficulties in writing historical fiction (among other things). Read More
Make a map Published on February 9, 2021February 7, 2021 by fivecolorssandt@icloud.com Charts, surveys and catalogs We notice the importance of what and where. Read More
Black hole ironies Published on May 19, 2020May 18, 2020 by fivecolorssandt@icloud.com Bright and dark, near and far We point out some astronomical ironies. Read More
Working from a snapshot Published on November 19, 2019November 18, 2019 by fivecolorssandt@icloud.com Patient astronomers People are rather ill-designed for astronomy. Read More
More helium hydride Published on August 27, 2019August 27, 2019 by fivecolorssandt@icloud.com Important, but elusive Doing astrochemistry in a lab is difficult, but can be important. Read More