... Cataloged as NGC 2359, the striking nebula is located about 15,000 light-years away in the constellation Canis Major. Venus Just After Sunset . ... About one year ago the robotic Huygens probe landed on the enigmatic moon of Saturn and sent back the first ever images from beneath Titan's thick cloud layers. NGC 1999: South of Orion . ... If you can find Saturn in tonight's sky, then you can also find M44, popularly known as the Beehive star cluster. ... An Unusual Two Toned Rock on Mars . ...

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... Tonight's Sky . ... The Magazine . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Bright planets meet at dusk . ... Astronomy magazine subscribers can read the full article for free. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....

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• Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,
• Animations of icy planet formation | Astronomy.com
• Brilliant planets gather at dawn | Astronomy.com

... 2007 October 11 . Bright Planets, Crescent Moon . ... Explanation: Early risers are currently enjoying the sight of dazzling Venus , near the eastern horizon as the morning star . ... It also includes a crescent Moon and Saturn (lower left). ... Though the Moon has moved on, the tight triangle formed by Venus, Saturn, and Regulus (top), alpha star in the constellation Leo, will continue to look impressive in early morning skies over the next few days. ... About APOD | ...

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• APOD: 2004 May 5 - NGC 6302: Big, Bright, Bug Nebula
• APOD: 2007 April 29 - NGC 6302: Big, Bright, Bug Nebula
• APOD: 2014 January 11 - The Seagull Nebula

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• Formation of the Earth
• Astronomy Plus CCD Images of Galaxies
• The Three Planet System

Armagh, 2nd May 2002. Saturn and Mars are at the top left, Venus is the very bright object and Mercury appears through the clouds. ... All five planets visible to ancient astronomers can now be seen in alignment in the western sky. ... Next is Venus, the brightest planet or "Evening Star", followed by Mars, a much fainter red planet, then Saturn (near the red star Aldebaran, the brightest star in Taurus), and finally, slightly higher in the sky, the largest planet Jupiter. ...

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• Objects in the Sky
• Twelve Days of Mercury this Christmas
• FETTU - Page 1

... Armagh Planetarium . ... Our Galaxy . ... Universe . ... For those of you that are still bearing the psychological scars from PlutoтАЩs demotion from planet to dwarf planet a decade ago, here is news that may add salt to [ ] . ... In 2015 Armagh PlanetariumтАЩs website (including Astronotes) received well over 2.6 million page views (and over 75 million web hits*) from all over the world. ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration....

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• A Summer Night?s Stargazing | Astronotes
• Tarantula Nebula in stunning Hubble Image | Astronotes
• stellar nursery | Astronotes

I was wondering what conditions should be met to have the "darkest" sky .. ... Upon the above publication of the Southern Galactic hemisphere, TunГ Tezel started seeking opportunities to create the Northern counterpart image. ... So, the initial quest of having the darkest possible sky have delivered us these two all-sky images of the two galactic hemispheres as seen from Planet Earth. Zoomable and 'full-screenable' fisheye view of the "darkest sky" Southern Galactic Hemisphere image. ...

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• Popular Astronomy
• ESO - Star and Planet Formation Workshop
• Exoplanet Caught on the Move | ESO

... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

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• Phil Plait's Bad Astronomy: Misconceptions
• Phil Plait's Bad Astronomy: Bitesize Tour of the Solar System
• Phil Plait's Bad Astronomy: Mad Science

... The Pleiades star cluster, also known as the Seven Sisters and Messier 45, is a conspicuous object in the night sky with a prominent place in ancient mythology . ... The stars in the Pleiades are thought to have formed together around 100 million years ago, making them 1/50th the age of our sun, and they lie some 130 parsecs (425 light years ) away. ... Data for these stars are listed in a table below. ... Yes . ... WEBDA Pleiades cluster data . ... M45: The Pleiades Star Cluster (2007 November 18) ...

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• Planetary Radar: Arecibo Radar Images of Planets
• Extra-solar planets
• water ice on mercury

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. March 25, 1999 . March of the Planets . ... Explanation: This March stargazers have been treated to eye-catching formations of bright planets in western evening skies. On March 3rd, looking toward a beautiful sunset from a beach on the Hawaiian isle of Maui, photographer Rick Scott recorded this fleeting, four-planet "hockey stick" array. ...

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• APOD: 2000 November 8 - October Skylights
• Venus
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The XO Project is a photometric search for Jovian planets transiting very bright stars. Ephemerides for Known Transiting Planets (caveat: the rate of discovery sometimes makes it hard to keep this up to date. Please pick a site near yours - predictions should be adequate for planning observation but should not be used for analysis as these ephemerides are not maintained accurately.) ... XO-1 XO Planet 1, announced in 2006. XO-2 XO Planet 2, announced in 2007. ...

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• STScI Star and Planet Formation Seminar Series
• HST this week: 064
• Marshall Perrin's Publications

The Astronomy Shop . ... Shop | ... Cards | ... Sold in sets of 8 cards (two of each image) with envelopes in a Keepsake Wallet. ... Starbirth Clouds in M-16, Starbirth in the Trifid Nebula, Live Cycle of Stars in Galactic Nebula NGC 3603, and Inside the Lagoon Nebula. ... Majestic Spiral Galaxy NGC 4414, A Grazing Encounter of Two Spiral Galaxies, Infant Stars Ring Core of Galaxy NGC 4314, and Galactic Silhouettes. ... We have bulk pricing available. ... www.astronomy.net . About Astronomy Net | ...

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• Astronomy Terms - To Help You Study The Universe - an Astronomy Net Article
• Blue Moon, What Is It? - an Astronomy Net Article
• Moon, Planets And Aurora, Oh My! - an Astronomy Net Article

Class 1 Introduction, Background History of Modern Astronomy The Night Sky, Eclipses and the Seasons Kepler's Laws Newtonian Gravity General Relativity Matter and Light Telescopes Class 2 Solar System Characteristics Formation Exosolar Planets Class 3 Stars The Sun Stellar Evolution of Low and High Mass Stars Deaths of Stars Exotic Stars Class 4 Galaxies Galaxy Classification Formation of Galaxies Galactic Evolution ... So far, one planet has been studied by this method. ...

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• This MonthтАЩs Sky тАУ February 2016 ? Amateur Astronomers Association of New

... Planets and Brown Dwarfs . ... Mission Definition . Ask anyone on the street to give an example of a planet, and they'll consider you a bit dim. ... Finally, if you ask "What is the exact scientific definition of 'planet'?", it turns out that nobody can answer it, because there really isn't one. ... The word itself means "wanderer" in Greek, and other cultures generally have words for "planet" with a similar meaning. So why isn't that good enough for us today? ...

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• ASP: Taking a Grand Virtual Voyage in the Milky Way
• ASP: Sharing the Universe
• ASP: Star Science in the Autumn Sky

Saturn: The beauty of the rings. Saturn . ... Belongs to the giant planets . It has no definite solid surface. ... The free fall acceleration at the Saturn surface near equator is 9,06 m/s^2 . ... In the centre of the planet the temperature is about 20000K. The satellites . ... The rings of Saturn . ... It is proved that Saturn's rings (as well as the other planet's) are the fragments of the great cloud being near the planet with million kilometres length (see how the rings were formed ). ...

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• venerae
• Laplase
• merkurie

... Solar System Data . Tables of many physical and orbital parameters for each of the major bodies in the solar system. ... Lists of the biggest, smallest, brightest and densest bodies in the solar system and a list of those bodies least unsuitable for life. ... Lists of which bodies were discovered in each century since Galileo. ... Some interesting linguistic tidbits relating to the planets. ... Astronomical Names . ... The sites around the Net where The Nine Planets is located. ... Appendices .. ...

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• Introduction to The Nine Planets
• Venus
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NAUTICAL ASTRONOMICAL YEARBOOK for 2015 (in Russian) . Foreword . ... NAY) is the daily visual geocentrical equatorial ephemerides of brightest navigational stars ? the Sun, the Moon, four major planets (Venus, Mars, Jupiter, Saturn) and of the 69 brightest stars, and the time of the rising and setting of the Sun and the Moon, the time of the beginning and the end of civil and navigational twilights, the azimuths of the upper limb of the Sun on rising and setting. ...

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• NAY 2016 (Foreword)
• NAY 2017 (Foreword)
• NAY 2012 (Foreword)

... Assignments 4, 5 and 6 all involve the imaginary world of Ziggy. ... Each week, you should write a short executive briefing to Captain Howard, explaining to her what you have learned from that week's data. ... A 500 word limit applies to each briefing you submit. You will submit three briefing papers (due dates below): one for each data release. ... First briefing due (Assignment 4). 2nd data set released. ... Second briefing due (Assignment 5). 3rd and final data set released. ...

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• Planet Pictures
• University Problem Based Learning Exercises for Teaching Astronomy and Physics
• Small planets have no atmospheres

... малой планете . ... на основании решения от 9 мая 2001 года . Комитета по наименованию малых планет . ... что малая планета, . зарегистрированная в международном каталоге малых планет . под N 11438 и имеющая предварительное обозначение 1973 QR1, . ... ZELDOVICH . ... Якова Борисовича Зельдовича . ... 11438) Zeidovich = 1973 QR1 . ... Малая планета (11438) Zeidovich открыта 29 августа 1973 г. Т.M.Смирновой в Крымской астрофизической обсерватории. ... Циркуляр Малых Планет N 42672, 2001. ...

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... Words . ... Connections (constellation) . Connections (matrix) . Data Collection and Analysis . AAS 223 . AAS 221 . AAS 219 . AAS 218 . ... The data below shows the most-popular words used in tweets about the 223rd meeting of the American Astronomical Society . A number of common English words have been removed (including terms AAS223 , AAS and RT since they are very popular). ... Here we restrict ourselves to those tweets not flagged by Twitter as being a re-tweet. ...

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• What are the popular words from #AAS221?
• What are the popular words from #AAS225?
• What are the popular words from #AAS219?