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Cooling down in hell

It’s hot on Venus. We already knew. But we do have some cooler places, like 450 Celcius instead of 473 Celcius, as Venus Express shows us. Here you can see the cooler spots for your…


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Parallel Worlds

Parallel Worlds: A Journey Through Creation, Higher Dimensions, and the Future of the Cosmos is a kinky but very readable book from Michio Kaku, about developments in cosmology, from relativity and quantum mechanics to string…


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GraphDark

With GraphDark, a very simple program, you can draw graphs showing you when Sun, Moon and planets rise and set. These graphs are well known from astronomy magazines like Sky & Telescope.


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The Good and the Bad

The Internet is a vast resource for astronomical information. Usenet is a part of it. There are a lot of groups aiming specifically at certain countries, and unfortunately also a lot of groups mainly populated…


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Astronomy software gems

A few programs aimed at astronomy deserve special attention: Celestia, a program which let you travel to a virtual (3D) universe. An absolute gem, although it seems there are some problems with the site these…


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Cosmology Primer

Are you looking for a cosmology primer? Frequently Asked Questions in Cosmology might be the place to start.