Articles to help you discover the wonders of the Universe


Learn the basics of astronomy with historical background and an introduction to the basic astronomy concepts, details about planets, satellites, asteroids, comets and meteors. Also learn the history of Astronomy from its origins in the religious, mythological, and astrological practices of prehistory through to modern astronomy.

The image that is acquired through the lens of a telescope becomes visible through an eyepiece. Each eyepiece provides a given magnification This is determined by the ratio between the focal length of the objective and eyepiece.
All About Telescope Eyepieces


Questions have been raised over the death of Tycho Brahe based on recent forensic evidence including an exhumation of his body in 1901 and investigations in 1991 into the composition of exhumed remains and into medieval alchemy. Was the death of Tycho Brahe a result of his alchemy studies, or was there a plot afoot?
Did Johannes Kepler plot the death of Tycho Brahe in 1601?


How to find objects in the sky using celestial coordinates, what are arc minutes and arc seconds? How big is the Plough compared to the Square of Pegasus?
Using Star Charts and Measuring Distance


With Hubble now approaching the end of its scientific life, a new generation of spacecraft are set to blast off in the next few years. These missions may alter the way we see the Universe forever. This article looks at the most exciting prospects of the missions, with easy to understand explanations.
The Next Generation of Deep-Space Telescopes


Space is big. Really big. You just won't believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think it's a long way down the road to the chemist, but that's just peanuts to space.
A Newbie's Guide to Distances in Space





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