Star*Points

A lot of times, when sharing views of heavenly objects through a telescope, the question comes up: “How far away is it?” If I know the answer and the target is located outside of our solar system of planets, the response is usually some number in the tens, hundreds, thousands or millions, followed by “light-years.”…

Read More Speed of Light

Astronomy has many inconsequential and over-hyped terms, such as “blue moon” and “supermoon.” As interesting as they may be such things are of no consequential scientific value. Even some of the names themselves may not have a scientific origin which explains why an astronomer being asked about them may stare blankly back at you. At…

Read More Fake News Astronomy

There is more to the motion of the moon than literally meets the eye. In July we discussed some basics of the moon’s motion circling the earth. This month we’ll see how the moon actually wobbles as it travels through space. The fundamental equations and tables employed in the current orbital models for earth circling…

Read More The Wobbling Moon