Articles to help you discover the wonders of the Universe

Astronomy

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.

 

20Apr2013
Spinning space stations are a staple of Sci-Fi, from Babylon 5 to Space Station 1 in the film 2001: A Space Odyssey. Inhabitants live in simulated artificial gravity, but it is not the same as that experienced on Earth. Can spinning spacecraft provide artificial gravity?
Could Spinning Spacecraft Provide Artificial Gravity?

 

28Mar2013
The Messier Objects are a set of astronomical objects catalogued by Charles Messier in his catalogue of Nebulae and Star Clusters first published in 1774. The original motivation behind the catalogue was that Messier was a comet hunter, and was frustrated by objects which resembled but were not comets. He, therefore, compiled a list of these objects.
The Messier Catalogue

 

28Mar2013
Sir Patrick Caldwell-Moore has made a catalogue of beautiful and interesting objects you should observe, whereas Charles Messier made a catalogue of faint fuzzy objects to be avoided when searching for comets.
The Caldwell Catalogue

 

28Mar2013
The Kuiper belt is an area of the solar system extending from the orbit of Neptune (at 30 AU) to 50 AU from the Sun. The objects within the Kuiper Belt together with the members of the scattered disk extending beyond are collectively referred to as trans-Neptunian objects.
Kuiper Belt

 

 

09Feb2011
Lagrange Points are five special points where an object can orbit at a fixed distance from two larger mass such that the gravitational pull precisely equals the centripetal force.
What Are Lagrange Points?

 

 

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