A friend of mine recently asked me whether it was possible to have a lunar-stationary orbit. This would be the equivalent of a geostationary orbit, but around the Moon rather than the Earth. …| Explaining Science
2 posts published by Steve Hurley during August 2025| Explaining Science
We’re all familiar with specifying a location by its latitude and longitude, but I thought it would be interesting to write a post about latitude and longitude on other bodies in the Solar System. Locations on the surface of the Moon are given a latitude and longitude just like they are on Earth. The Lunar… Continue reading Latitude and Longitude on the Moon and the Planets→| Explaining Science
The night of 12/13 August will be the peak of the Perseids, one of the most famous prolific meteor showers. Meteors (also known as shooting stars) are bright streaks of light cause…| Explaining Science
For those of us in the Northern Hemisphere we’re in that time of year when there is the most daylight. In this post I’ll talk about the long long summer evenings: not only does the Sun set later at this time of year but the amount of twilight, after Sun has set but it is… Continue reading Twilight and the Long Summer Evenings→| Explaining Science
In March 2019 the American Vice President Mike Pence surprised many people when he announced an extremely ambitious plan to put American astronauts on the Moon in 2024. NASA named its new crewed Mo…| Explaining Science
In 2025, for most people in the world the June solstice will fall on 21 June. For those of us living in the the Northern Hemisphere, it is the day of the year when there is the most daylight. The …| Explaining Science
Next Thursday, July 25, is one of the four days a year in which the length of the solar day, the natural day measured by the rising and setting of the Sun, is 24 hours. I have written about thi…| Explaining Science