Euclid has been launched!
- 17 July 2023
On July 1st ESA’s Euclid observatory was launched from the Space Force Station (United States) Cape Canaveral, by SpaceX’s Falcon 9 rocket.
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!
Comet formation mystery
- 14 July 2023
Comets in the Oort cloud could not have formed in their current places, because the material at such huge distances is so thinned that nothing could really coalesce into objects of several kilometers there.
Read the full articleRed dwarf planets: a chance for intelligent life developing
- 10 July 2023
What are the possibilities of developing intelligent life on red dwarf planets and what advantages would such life have over life on planetary systems like ours?
Read the full articleThe valuable use of a stick in astronomy
- 6 July 2023
Do you know what is shown in the image above? Today we might say – a stick stuck in the ground, but in ancient times it was a powerful and precise astronomical instrument. It is professionally called a gnomon and it is the first astronomical instrument created by man.
Read the full articleThe Veil Nebula
- 2 July 2023
Search the sky for the Veil Nebula! It is a very interesting object, with a somewhat mysterious shape. Did you know there is a Western and Eastern Veil?
Read the full articleObserving Miss Venus
- 29 June 2023
Of all the planets, the most tempting objects to observe are Saturn and Jupiter. The first because of its magnificent rings, and the second because of the stripes with which it is speckled and because of the large red spot.
Read the full articleThe Crab Nebula: M1
- 25 June 2023
If you have to choose a favorite nebula, choose M1. It was shrouded in mystery for centuries and remained completely enigmatic until the new age. It is a source of important data.
Read the full articleTelescope optics – test time!
- 23 June 2023
Testing optics on a star does not require any special instruments and can be done outside in the night sky. Despite this, the test is so sensitive that it detects and indicates the smallest defect in the optics of the telescope. The test also reveals many problems that are not due to the telescope structure per se and those can be fixed.
Read the full articleOort cloud structure – how many comets are we talking about?
- 19 June 2023
Research from the very end of the 20th century says that it is very possible that the number of comets that could be seen in the night sky suddenly increased at the end of the Eocene, about 36 million years ago, and that it decreased slowly for the next two to three million years.
Read the full articleWater everywhere – how much liquid does our Earth really hold?
- 16 June 2023
Seen from afar, the Earth is mostly water. Only 29% of its surface is land, and as much as 71% is water. No other celestial body, as far as we know today, has liquid water on its surface, and our Earth is bathed in it! Lucky us!
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