When can we see full Moon in daylight?
At the beginning of this article, I would like to recall one of the questions, which appears from time to time on the Geography Olympiad. The query sounds like this: “If at 9 pm...
Tagged: Sky
The 49 brightest stars in the night sky – when and where can we see them?
Since this amazing image (at the top) has been published, the articles about the 25 brightest stars in the night sky grew like weeds. Despite a multitude of similar texts presenting a brief description...
10 the most spectacular celestial events to watch in 2021-2040
This text is somewhat the continuation of the previous one, tailored for the most unique celestial events or group of celestial events, which will occur in the 2021-2030 decade. This time you will read...
The most unique astronomical events you shouldn’t miss in the 2021-2030 decade
Recently we have entered the new decade 2021-2030. This is a good time to take a look at what major astronomical events will occur throughout this time. I don’t mean typical celestial events, as...
Sky brightness changes during total solar eclipse
Recently I have shown the light level changes during the solar eclipse. The illumination level is strongly related to the sky brightness. Both of them change at the same time throughout the eclipse. In...
Light scattering in the atmosphere during total solar eclipse
The light scattering issue in the Earth’s atmosphere has been described recently for typical daylight, evening, and twilight conditions. In this article, I would like to explain a light scattering phenomenon under total solar...
Light scattering in the Earth’s atmosphere part 3 – clouds, haze and surface
Previously I have described the light scattering mechanism on the smallest particles of the Earth’s atmosphere, where mainly the Rayleigh Scattering plays a role. Now is the time to round off this whole article...
Light scattering in the Earth’s atmosphere part 2 – why is the sky blue and how the sky colour change?
When we ask ourselves why the sky is blue we can think about the most important type of light scattering in the Earth’s atmosphere. This is Rayleigh scattering. I was writing about this type...
Tenerife and the night sky
Visiting Tenerife, the largest of the Canary Islands was one of the best adventures. After several days, when I could scout this picturesque place I spent one night above the unique low-level clouds. It...
What is the colour of Martian sky?
The Mars Exploration Program has been launching for around 20 years since the first probe Mars Pathfinder done by NASA landed on the Red’s Planet surface. For this time another four rovers touched down...
Total solar eclipse vizualisation on Google Earth, part 2
<<< Read the 1st part of The solar eclipse visualization on Google Earth In the 1st part of this article, I showed you how to create the “umbra” in Scribble Maps and use it...
The remote observation of partial solar eclipse
I would like to show my observation output. The last solar eclipse was visible throughout the southern part of South America in the morning and next in the western part of Africa during the...