http://www.brighthub.com/science/space.aspxenhttp://www.brighthub.com/science/space/articles/51248.aspxThu, 08 Oct 2009 14:56:01 GMTb133e95a-c263-4882-8f2a-b24547eff78e:51248Dorothy BlandNews of the next planet alignment seems to occur every few years. Each event comes with a slew of apocalyptic warnings from doomsayers, selling the pseudo-science of planetary alignments. Before the supposed 2012 planetary alignment, learn the truth behind this occurrence. What are Planetary Alignments? Planetary alignments are really about van...http://www.brighthub.com/science/space/articles/48088.aspxWed, 07 Oct 2009 21:03:09 GMTb133e95a-c263-4882-8f2a-b24547eff78e:48088rcdnovaYou're out one evening and a bright object in the sky catches your attention. What is it? A planet, a star, a satellite, maybe a comet or shooting star, or maybe it's a UFO? It could be any of these and more but read on before you phone in that UFO sighting... Lights in the Sky If you are outside at night for a walk or a drive and t...http://www.brighthub.com/science/space/articles/49252.aspxThu, 17 Sep 2009 18:21:46 GMTb133e95a-c263-4882-8f2a-b24547eff78e:49252rcdnovaWhat are the outer planets? What are they made of? The inner planets are of a rocky nature, while the outer planets are giant balls of gas, with rings and large moon systems. Take a tour of the outer planets: Jupiter, Saturn, Uranus, Neptune and... The Outer Planets The outer planets exist beyond the asteroid belt, just past Mars’ orbit...http://www.brighthub.com/science/space/articles/43500.aspxTue, 28 Jul 2009 01:37:28 GMTb133e95a-c263-4882-8f2a-b24547eff78e:43500allychevalierSound exotic? Exoplanets are being discussed more and more often in astronomy, yet many people are left puzzled by what precisely an exoplanet is. This article provides an overview, including a definition, examples, how we detect them and the role they play in astronomy today. Definition Of An Exoplanet The exact definition of an exoplanet is j...http://www.brighthub.com/science/space/articles/25573.aspxTue, 10 Feb 2009 18:48:28 GMTb133e95a-c263-4882-8f2a-b24547eff78e:25573ginkgo100What is a sidereal day? Why is a planet's day not the same as its rotation period? Find out the difference between these two measurements and learn fascinating facts about the peculiar rotation of the inner planets. Each planet in the solar system rotates around an imaginary line through its center called the axis. Any measurement of a ...http://www.brighthub.com/science/space/articles/17502.aspxFri, 06 Feb 2009 21:08:47 GMTb133e95a-c263-4882-8f2a-b24547eff78e:17502rcdnovaEach planet has an associated symbol that represents it. These symbols have been used both by the scientific community in the field of astronomy and by the astrological community in the prediction of our daily affairs. The Facts Behind Planetary Symbols (As best as mythology will allow.) Classical Planets - Those Planets Known to the Ancient Astron...http://www.brighthub.com/science/space/articles/11698.aspxFri, 16 Jan 2009 19:15:09 GMTb133e95a-c263-4882-8f2a-b24547eff78e:11698ginkgo100Extrasolar planets (exoplanets) are notoriously difficult to see. Though over 300 have been discovered, no photos are available for most of them. In this article, see two unique images of exoplanets. In astronomy, direct observation of new objects was once the gold standard for confirming their existence. For example, the existence of the p...