http://www.brighthub.com/science/space.aspxenhttp://www.brighthub.com/science/space/articles/55469.aspxWed, 18 Nov 2009 17:23:13 GMTb133e95a-c263-4882-8f2a-b24547eff78e:55469rojaroseBalloons are not only fun but have been a workhorse for scientific research for many years. Read on for more information on how they are used in astronomy. Balloons In Astronomy: Basic Principle Balloons have both recreational and scientific purposes.There are hot air balloons and gas balloons. The basic principle behind the launching of balloo...http://www.brighthub.com/science/space/articles/56138.aspxMon, 16 Nov 2009 18:01:12 GMTb133e95a-c263-4882-8f2a-b24547eff78e:56138rojaroseAlbedo is the measure of the reflective nature of an object. This dimensionless number provides important clues about celestial objects and can even be used as an indicator of global warming. Read on for more information about albedo. Albedo : Definition The proportion of solar radiation which is reflected by a non-luminous body is known as alb...http://www.brighthub.com/science/space/articles/53958.aspxMon, 09 Nov 2009 14:59:10 GMTb133e95a-c263-4882-8f2a-b24547eff78e:53958BrnoEntAs we view the motion of the planets, they normally move from east to west. Yet, once in awhile they will seem to change direction and move backwards.This latter is what is referred to as Retrograde Motion of the planets. History of Retrograde Motion For centuries during the ancient times, mankind grew puzzled by the bizarre polka-dot pattern acros...http://www.brighthub.com/science/space/articles/54103.aspxThu, 29 Oct 2009 16:13:22 GMTb133e95a-c263-4882-8f2a-b24547eff78e:54103mutley457The Orion constellation is second only to the constellation of the Big Dipper in recognizability. The constellation was well known to the ancient Greeks with its own hero's and villains and is one of a handful of constellations that are visible from both the northern and southern hemispheres. Basic Facts About the Constellation Orion Abbreviati...http://www.brighthub.com/science/space/articles/54015.aspxThu, 29 Oct 2009 01:00:22 GMTb133e95a-c263-4882-8f2a-b24547eff78e:54015allychevalierHow can you talk about stars if you don't know how they are classified -- or, if you don't know what the different classification systems out there are? This article goes through and describes the basic structure of the Harvard and Yerkes spectral classification systems and how they're used. Stellar Classification Is Spectral Classi...http://www.brighthub.com/science/space/articles/53936.aspxWed, 28 Oct 2009 16:40:41 GMTb133e95a-c263-4882-8f2a-b24547eff78e:53936StrongmindThe much talked about event of LCROSS impact on moon, was successfully executed on October 9, 2009. This mega event had a lot of apprehensions and expectations. It may reveal some long awaited questions about the moon, which may change the history of mankind. Did we learn anything so far? Moon: A World of Fascination! We’ve managed to a...http://www.brighthub.com/science/space/articles/53720.aspxTue, 27 Oct 2009 15:09:42 GMTb133e95a-c263-4882-8f2a-b24547eff78e:53720johnsinitThe IAU is the International Astronomical Union, a dynamic, engaged international organization made up of professional astronomers. This organization is a leading scientific body that encourages the study of astronomy worldwide. IAU - Overview The International Astronomical Union , or IAU is an organization whose mission is to promote the science o...http://www.brighthub.com/science/space/articles/53525.aspxMon, 26 Oct 2009 14:03:29 GMTb133e95a-c263-4882-8f2a-b24547eff78e:53525BrnoEntLittle by little, the length of Earth's day is increasing by 1.7 miliseconds every century over the past 2700 years. However, you don't need to reset your watch anytime soon. But just how much longer will the day become eventually and how soon? What is The Length of Earth's Day ? Earth's Day is measured from the time each day wh...http://www.brighthub.com/science/space/articles/53421.aspxSun, 25 Oct 2009 15:23:51 GMTb133e95a-c263-4882-8f2a-b24547eff78e:53421rojaroseMany of you might have seen beautiful shooting stars, which streak through the night sky. But how many of you know about the branch of science - Meteoritics - which studies them and the information which scientists can obtain from studying them. What is Meteoritics? Meteoritics, a comparatively new field in science, studies Meteoroids, Meteor, ...http://www.brighthub.com/science/space/articles/53391.aspxSat, 24 Oct 2009 22:51:31 GMTb133e95a-c263-4882-8f2a-b24547eff78e:53391mutley457Where do comets come from? Where and how are they formed? These questions were studied by the Dutch Astronomer, Jan Hendrick Oort. His answers went on to show just how far the Sun's influence extends, which is about 30 trillion miles. Jan Oort and the Oort Cloud Jan Oort, a Dutch astronomer, predicted in 1950 that a cloud of astronomica...http://www.brighthub.com/science/space/articles/52492.aspxThu, 15 Oct 2009 01:34:37 GMTb133e95a-c263-4882-8f2a-b24547eff78e:52492mutley457The largest single-aperture optical telescope telescope designed to study black holes and early big bang cosmology. Built with funds from Spain, Mexico, and the University of Florida, it is situated in the Canary Islands. The Gran Telescopio Canarias The Gran Telescopio Canarias (also known as GTC or GRANTECAN), is a Spanish telescope project whose...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/50943.aspxWed, 30 Sep 2009 01:23:34 GMTb133e95a-c263-4882-8f2a-b24547eff78e:50943StrongmindThe third zodiacal constellation is Gemini, which represents strength and positivity. It is a masculine sign with a dual face, which is symbolized an image of twins. Let us explore some very important aspects about this constellation which is unique in its own ways. Gemini : The Twins! The third astrological sign of the zodiac constellation...http://www.brighthub.com/science/space/articles/50420.aspxSun, 27 Sep 2009 12:39:16 GMTb133e95a-c263-4882-8f2a-b24547eff78e:50420StrongmindThe Constellation Sagittarius is very commonly known as the teapot constellation because the arrangement of the stars look like a teapot to the modern observers. However, the mythological representation of this constellation is a centaur with bow and arrow! Read on for more facts! Sagittarius : The Archer! Sagittarius is a Latin wor...http://www.brighthub.com/science/space/articles/50110.aspxFri, 25 Sep 2009 01:03:38 GMTb133e95a-c263-4882-8f2a-b24547eff78e:50110rojaroseHave you ever thought about the future of the Earth. If it survives long enough it might fall victim to the possible collision between our galaxy and the Andromeda galaxy. Read on for more details. Galactic Cannibalism: An Over View. Galactic collisions are occurring frequently in the Universe. The recent evidence from space points to the natur...http://www.brighthub.com/science/space/articles/49929.aspxWed, 23 Sep 2009 18:39:17 GMTb133e95a-c263-4882-8f2a-b24547eff78e:49929AnuragInspired by the ideas of modern thinkers and astronomers, Sir Isaac Newton discovered the law of gravitation and the three laws of motion. Modern science is indebted to Newton’s theories, methods and ideas. Here are some of the most interesting facts about Sir Isaac Newton. Sir Isaac Newton Facts: Biography Birth: 25 December 1642 (4th of...http://www.brighthub.com/science/space/articles/48967.aspxTue, 15 Sep 2009 15:18:03 GMTb133e95a-c263-4882-8f2a-b24547eff78e:48967rojaroseDid you know that there are 4 different types of twilight? And, that the length of twilight changes depending on your latitude and time of year, among other factors? If not, then read on as we shed some light on just what twilight is! What is Twilight The Sun is the only source of light in Earth. But there is light even in the absence o...http://www.brighthub.com/science/space/articles/48844.aspxMon, 14 Sep 2009 12:32:05 GMTb133e95a-c263-4882-8f2a-b24547eff78e:48844rojaroseEver wonder what a spectrum is? How about a spectrograph? Read on to learn about spectrums and spectrographs and how scientists use them to study stars and their characteristics. What is Spectrum, Spectra and Spectrograph A spectrum is the most important tool in the hands of an astronomer. In a spectrum, the components of radiation are arra...http://www.brighthub.com/science/space/articles/17455.aspxSun, 13 Sep 2009 21:52:09 GMTb133e95a-c263-4882-8f2a-b24547eff78e:17455TimothysextonThe space race began as a political sprint to become the most impressive superpower in the new world order following World War II. The moon was the prize&#59; asteroids had little cache, and not nearly enough prestige. Unbelievably, an asteroid was not visited until 1991. Galileo Probe: A Prelude to NASA's NEAR Mission NASA finally discover...http://www.brighthub.com/science/space/articles/4053.aspxThu, 10 Sep 2009 20:51:40 GMTb133e95a-c263-4882-8f2a-b24547eff78e:4053MushfiqBlack Holes are among the most exotic objects in the universe. A black hole is a region of space that has so much mass concentrated in it that there is no way for a nearby object, not even light, to escape its gravitational pull. So, are not they exotic? What is it? A Black Hole is a highly dense region of space with an enormous concentrati...