Our planetary model – Scaling it down, part 2
- 25 May 2023
In our previous blog we talked about the size of our planetary system and this story needs an ending, so the next planet is another giant of the solar system, Saturn.
Read the full articleThe Online Star Register Blog
Thank you for visiting the Online Star Register Blog. Here we share the latest news with you about the OSR gifts, our apps and about what we love most: the universe and the stars!
The Solar System, how big is it really?
- 21 May 2023
We can often see drawings of our planetary system in textbooks, but what is not shown are the true dimensions. That makes sense considering the vastness, but let’s try to get a clearer image of that.
Read the full articleLong-period comets and Jan Oort
- 18 May 2023
When astronomers at the beginning of the twentieth century knew a good number of long-period comets, they tried to extract as much information as possible from their orbital data.
Read the full articleSaturn is in the lead again – the satellite race is still on!
- 15 May 2023
For centuries, Jupiter and Saturn have been competing for the position of the planet with the most satellites. So, what’s the score? Galileo discovered four satellites of Jupiter in 1610, but by the end of the century Saturn had led with five new satellites.
Read the full articleThe strangely fascinating world of quantum physics
- 12 May 2023
Quantum physics has long had the image of something complicated and difficult to understand. This is justified, but it is not a reason to run away from that world where things do not quite work the way we are used to.
Read the full articleCelestial legends: The Lunar Eclipse
- 9 May 2023
Just days ago, on Friday, May 5th, the celestial mechanics planned an eclipse of the Moon by the Earth’s penumbra, which sadly means that there was nothing of the great celestial show to see. But there is still something to learn here!
Read the full articleSpace: weather effects on
- 5 May 2023
Deceptive spring is about to turn another volatile episode in the week ahead. What is the condition above, above the Earth’s sphere of life? Unstable is what’s up there!
Read the full articlePart 3: More questions answered about the notorious Webb telescope
- 1 May 2023
Looking at its strange shape, some people think that James Webb will be able to move the primary mirror to focus on the area of the sky that it wants. But is that realistic? Well folks, to put it bluntly – not really, no.
Read the full articleFailure is always an option in space: Starship promises and Zhurong standstill
- 27 April 2023
We live in an era when a good part of the population is not aware that for over fifty years man in space has not ventured further than the Earth’s orbit, only a few hundred kilometers above the increasingly warm Adriatic Sea.
Read the full articleThe Mighty Solar System: Copernicus-style
- 23 April 2023
Copernicus worked for a long time on the conception and elaboration of the heliocenric system. He summarized his results in Commentariolus, about thirty years before De Revolucionibus.
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