Articles related to "Amateur Astronomer"
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How Amateurs Can Contribute to Astronomy
Amateur astronomer Anthony Wesley's discovery of an impact on Jupiter illustrates how amateurs can still make important contributions to the science of astronomy.
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Pisces
This Zodiac constellation has few bright stars but one beautiful galaxy.
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Local Hero
Local Hero is a classic Scottish film comedy directed by Bill Forsyth. Starring Burt Lancaster, it is famous for its music, quotable lines and beautiful locations.
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Observing Canis Minor
Canis Minor, the Little Dog, is indeed a small constellation with few observing highlights beyond its two bright stars.
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How to Measure the Composition of Stars
Scientists and amateur astronomers measure the composition, luminosity, and velocity of stars, galaxies, and nebulae using a technique called spectroscopy.
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The Crab Nebula Supernova 1054 AD
On July 4, 1054 the supernova that formed the Crab Nebula occurred in the constellation Taurus. It was bright enough to be visible in the daytime for nearly a month.
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Observing Tips for New Telescope Owners
While purchasing a telescope for the first time is exciting, that excitement can soon fade when faced with the daunting task of how, when, and where to use it.
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What Are Asterisms and Constellations?
Constellations are star patterns in the sky defined by the International Astronomical Union. Other common star patterns are asterisms not constellations.
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Observing Vulpecula the Fox
The constellation of Vulpecula the Fox is a small patch of stars containing one of the best deep-sky objects in the night sky.
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Tools to Learn Constellations
Beginning stargazers often want to learn the astronomical constellations. Advanced stargazers want to teach their kids or others some astronomy. These tools can help.
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X-Ray Flickering in Cygnus X-1
Identifying the star HDE226868 as the optical counterpart to the astronomical X-ray source, Cygnus X-1, was the first step in identifying it as a black hole.
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Astronomy 2010
There was a time when the only way to glimpse the celestial skies was through a telescope but now you can add television as an astronomical tool.
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How to Become an Astronomer
Young people who want to pursue a career in astronomy can get the right preparation from a young age. Concentrate on math and science, and do well in all subjects.
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What is Radio Astronomy?
In addition to visible light, astronomers study radio waves from the Sun, planets, stars, galaxies, and other celestial objects.
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Stargazing Destinations
These destinations feature dark skies at night, professional equipment and, often, knowledgeable guides or amateur astronomers to explain what's in the telescopes.
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How to See a Black Hole
How do astronomers see black holes? Less paradoxical than it appears but still extraordinary, telescope teams around the world are uncovering the heart of the Milky Way.
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Planetary Ring Systems
Saturn has a well known easily observed spectacular ring system. The other Jovian planets, Uranus, Jupiter, and Neptune, also have ring systems.
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Google Sky
Google is now doing for the rest of the universe what they already did for Earth, by allowing computer users to view the universe around them.
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Observing Antlia and Pyxis
Antlia the Air Pump and Pyxis the Compass are Southern Hemisphere constellations that are home to dim, deep-sky objects.
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Romance and Fun on a Tight Budget
Almost every married couple experiences years of limited income and tight budgets. In spite of money stress, tight times can be fabulous times of growth for a marriage.
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Solar Eclipses During 2010
Total solar eclipses are among nature's most fascinating spectacles. A south Pacific cruise will provide the best observing for the July 2010 total solar eclipse.
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What Will Extrasolar Earths Look Like
In the hunt for extrasolar planets the ultimate goal is to find an Earth-like planet. However this Earth-like planet may not turn out to look much like the Earth at all.
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Understanding Kepler's Third Law
Kepler's third law of planetary motion is a mathematical relation between orbital periods and distances. It allows astronomers to measure masses of celestial objects.
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Common Space Acronyms
NASA, itself an acronym, is famous for using many acronyms to describe its programs and missions. Here is a quick overview of some of the most popular acronyms.
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Radio Astronomy
Instead of optical telescopes, astronomers use antennas and computers to study the Universe at wavelengths invisible to the human eye. So, how does that work?
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Hipparchus Greek Astronomer
Hipparchus' precision and astronomical calculations led to his invention of trigonometry and discovery of precession, the compilation of the first Star Catalogue.
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Invisible Astronomy
In addition to visible light, astronomers use ultraviolet, infrared, radio waves, X-rays and gamma rays to study planets, stars, galaxies, and other celestial objects.
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The Chandra X-ray Observatory
Capturing the visible light spectrum through the Hubble telescope shows amazing images, but the Chandra X-ray telescope captures even more impressive images.
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