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Our parents

Stars get their energy from fusion energy, more specifically from the fusion process of hydrogen into helium. So where are all those other elements coming from? When stars run out of fresh hydrogen to fuse,…


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The Expanding Universe

I have yet to listen to it myself, but it seems interesting for those wanting to know some basics about the nature of the expansion of our universe: Come on, admit it, you’ve had this…


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Moon Alone?

It’s well known that Earth has only one natural satellite. Well – is that really the case? Do you know what Cruithne is?   Check the astronomical facts here, or here.


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Ring tips eclipse

I’m not in the habit of repeatedly posting stale links everybody is familiar with, but I liked the picture. And I was a bit busy today so a cheap-shot-blog-entry today. All I have to do…


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Mars’ South Pole Ice Deep and Wide

If you always thought the Martian ice caps were a mere thin layer of carbon dioxide frost, you’re badly mistaken. In some places the southern ice cap is about 4 kilometers deep: "New measurements of…


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Solar system firecrackers

The Kuiper Belt continues to be a source of surprise. Now astronomers have found a few large remnants of a collision happening billions of years ago with the explosive force of about ten billion nuclear…


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How big is yours?

Compare your favorite inner planet to the others and see how big it is: From left to right Mercury, Venus, Earth, Mars. And who is hottest? Find out yourself. No boasting please.