A guide for the universe Published on January 3, 2023January 3, 2023 by fivecolorssandt@icloud.com Too much to deal with Do you need help to contemplate the universe? Read More
A personal kind of astronomy Published on February 11, 2020February 11, 2020 by fivecolorssandt@icloud.com How science is done (I) We look at an extraordinary data set. Read More