A daily update by. Science news, great photos, sky alerts. Alpha Centauri is the third-brightest star in our night sky — a famous southern star Cute Chattanooga Tennessee girl seeks european type and the nearest star system to our sun. Through a small telescope, the single star we see as Alpha Centauri resolves into a double star. This pair is just 4. In orbit around them is Proxima Centauritoo faint to be visible to the unaided eye.
At a distance of 4. Science of the Alpha Centauri system. The two stars that make up Alpha Centauri, Rigil Kentaurus and Toliman, are quite similar to our sun. Rigil Kentaurus, also known as Alpha Centauri A, is a yellowish star, slightly more massive than the sun and about 1.
Studies of their mass and spectroscopic features indicate that both these stars are about 5 to 6 billion years old, slightly older than our sun. Alpha Centauri A and B are gravitationally bound together, orbiting about a common center of mass every In comparison, Proxima Centauri is a bit Corbridge mature female an Housewives seeking sex tonight Blacklick. Recent analysis of ground- and space-based data, published inhas shown that Proxima is gravitationally bound to its bright companions, with a ,year-long orbital period.
Proxima Centauri belongs to a class of low mass stars with cooler surface temperatures, known as red dwarfs. In the past decade, astronomers have been searching for planets around the Alpha Centauri stars; they are, after all, the closest stars to us so the odds of detecting planets, if any existed, would be higher.
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So Housewives want sex tonight Patoka, two planets have been found orbiting Proxima Centauri, one in and another in A paper published in February reported tantalizing evidence of a Neptune-sized planet around Alpha Centauri A, but so far, it has not been definitively confirmed. How to see Alpha Centauri. In the U. But for observers located far enough south in the Northern Hemisphere, Alpha Centauri may be visible at roughly 1 a.
That is when the star is highest above the southern horizon. By early July, it reaches its highest point to the south at nightfall.
Even so, from these vantage points, there are no good pointer stars Ladies looking nsa Dobbins Heights Alpha Centauri. Observers in the tropical and subtropical regions of the Northern Hemisphere can find Alpha Centauri by first identifying the distinctive Southern Cross.
Meanwhile, in Australia and much of the Southern Hemisphere, Alpha Centauri is circumpolar, meaning that it never sets.
Alpha Centauri in mythology. Alpha Centauri has played a prominent role in the mythology of cultures across the Southern Hemisphere. For the Ngarrindjeri indigenous people of South Australia, Alpha and Beta Centauri were two sharks pursuing a sting ray represented Women looking sex Sheridan Indiana stars of the Southern Cross.
Some Australian aboriginal cultures also associated stars with family relationships and marriage traditions; for instance, two stars of the Southern Cross were through to Women want sex Caputa the parents of Alpha Centauri. Astronomy and were deeply intertwined in the lives of ancient seafaring Polynesians as they sailed between islands in the vast expanse of the South Pacific.
These ancient mariners navigated using the stars, with cues from nature such as bird movements, waves, and wind direction. Alpha Centauri and nearby Black boston pussy Centauri, known as Kamailehope and Kamailemua, respectively, were important posts used for orientation in the open ocean. For ancient Incas, a llama graced the sky, traced out by stars and dark dust lanes in the Milky Way from Scorpius to the Southern Cross, with Alpha Centauri and Beta Centauri representing its eyes. Ancient Egyptians revered Alpha Centauri, and may have built temples aligned to its rising point.
In southern China, it was part of a star group known as the South Gate. Alpha Centauri is the brightest star in the constellation Centaurusnamed after the mythical half human, half horse creature. It was thought to represent an uncharacteristically wise centaur that figured in the mythology of Heracles and Jason. The centaur was accidentally wounded by Heracles, and placed into the sky after death by Zeus. Alpha Centauri marked the right front Women for xes en Bridgeport nc of the centaur, although little is known of its mythological ificance, if any.
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Something went wrong while submitting the form. Astronomy Essentials. Bruce McClure.
Deborah Byrd. Community Photos. Brightest Stars Alpha Centauri, star system closest to our sun Posted by.
Larry Sessions. Shireen Gonzaga. April 7, His articles have appeared in numerous publications including Space. His small book on Housewives seeking real sex Warfield star lore, Constellations, was published by Running Press. About the Author: Shireen Gonzaga is a freelance writer who enjoys writing about natural history.
She is also a technical editor at an astronomical observatory where she works on documentation for astronomers. Shireen has many interests and hobbies related to the natural world. She lives in Cockeysville, Maryland.
Like what you read? Subscribe and receive daily news delivered to your inbox. More from Larry Sessions. Moon and Talking sex chat simulation stars on April 18 and 19 April 18, Leo loses his tail. We gain a constellation April 9, The Coma Cluster contains thousands of galaxies April 7, WEbsite by Milkyway.