NGC 6384: Spiral Beyond the Stars . ... Credit Copyright: ESA , Hubble , NASA Explanation: The universe is filled with galaxies . ... This colorful Hubble Space Telescopic portrait features spiral galaxy NGC 6384, about 80 million light-years away in the direction of the constellation Ophiuchus . At that distance, NGC 6384 spans an estimated 150,000 light-years, while the Hubble close-up of the galaxy's central region is about 70,000 light-years wide. ... NASA Official: Jay Norris. ...

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• NGC 6384: Spiral Beyond the Stars
• NGC 6384: Beyond the Stars
• NGC 7293: The Helix Nebula

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. April 17, 1996 . NGC 7293: The Helix Nebula . Credit: Anglo-Australian Telescope photograph by David Malin . Copyright: Anglo-Australian Telescope Board . Explanation: The Helix nebula (New General Catalog number 7293) is estimated to be a mere 450 light-years from the Sun, in the direction of the constellation Aquarius . ...

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• APOD: 2013 May 10 - Messier 77
• APOD: 2005 July 1 - Ring Around Fomalhaut
• APOD: 2007 August 31 - Stars Forming in Serpens

... Главная . ... Новости . ... Проекты . Любителям астрономии . Проект ISON . ... Подробнее . ... Категория: Новости проекта ISON . ... Метки: Космический мусор ,љ Астероиды ,љ Гамма-всплески ,љ Любителям астрономии ,љ Кометы љ . ... Метки: Космический мусор ,љ Астероиды ,љ Любителям астрономии љ . ... Новости обсерваторий проекта] - Обсерватория Кубанского государственного университета от Иванов А - 09.04.2016 11:08:49 . ... 1999-2013 Copyright "Астрономия и Телескопостроение" . ...

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... Indiana Jones is a registered trademark of Lucasfilm Ltd. ... There's the intrigue of the megaliths of Stonehenge, the ancient pyramids of Egypt, the earthen figures of Britain and Peru, and the bloody rituals of the Maya. ... To make sense of these great structures and sophisticated concepts, archaeologists and astronomers have pooled their talents. ... People could use these alignments to synchronize their calendars or track the exact path of a celestial object. ... Maya glyphs of Venus. ...

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• ASP: Star Science in the Autumn Sky
• ASP: Book Review
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... Home Education Classes AAA Winter Astronomy Class: Measuring Distances in Space тАУ Dec 2015 тАУ Feb 2016 . ... Classes . AAA Fall Astronomy Class: Astronomy Basics тАУ October-November 2015 . AAA Winter Astronomy Class: Measuring Distances in Space тАУ Dec 2015 тАУ Feb 2016 . AAA Spring Astronomy Class: The Physics of Astronomy тАУ February - March 2016 . ... This MonthтАЩs Sky тАУ April 2016 . ... Dec. ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ...

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• Amateur Astronomers Association of New York ? Amateur Astronomers Association
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• Floyd Bennett Field ? Amateur Astronomers Association of New York

... Bad Astronomy . ... Mad Science . ... Site Info . ... Public Talks . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Who is this guy who calls himself "The Bad Astronomer?" ... First, yes, I am a real live astronomer (when people ask me what astronomers do, I tell them "They astronom !" ... These are emitted by powerful objects like black holes, exploding stars, and super-dense neutrons stars. ... Finally, am I really a bad astronomer? ... 2008 Phil Plait. ...

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• Phil Plait's Bad Astronomy: Misconceptions

... The greater the distance, the smaller the parallax. ... That triangle has the same proportions as the much larger triangle ABC, and therefore, if the distance B'C to the thumb is 10 times the distance A'B' between the eyes, the distance AC to the far landmark is also 10 times the distance AB. ... The most distant objects our eyes can see are the stars, and they are very far indeed: light which moves at 300,000 kilometers (186,000 miles) per second, would take years, often many years, to reach them. ...

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• Precession
• Kuiper-Oort

... March 23 - Images from the Hubble Space Telescope reveal the explosive birth of stars in a distant galaxy. ... THE GALAXY NGC 1808 is in the direction of the southern constellation Columba, about 40 million light-years away from Earth. ... Mutchler said those supernovae eject dust that shows up as streaming filaments in high-resolution images of NGC 1808. ... Mutchler said the shape of the galaxy may have been altered by the gravitational pull of another galaxy passing nearby; perhaps NGC 1792. ...

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• Astronomy Magazine, July 1998

... January 6, 1999 . M6: The Butterfly Cluster . ... Explanation: To some, the outline of the open cluster of stars M6 resembles a butterfly. ... Like other open clusters , M6 is composed predominantly of young blue stars , although the brightest star is nearly orange. ... Determining the distance to clusters like M6 helps astronomers calibrate the distance scale of the universe. ... About APOD > . ... NASA Technical Rep.: ... A service of: LHEA at NASA / GSFC . ...

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• APOD: September 25, 1997 - T Pyxidis: Recurrent Nova
• APOD: 2000 August 4 - M15: Dense Globular Star Cluster
• APOD: August 7, 1998 - M65 Without Moth

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Our Galaxy . ... Stars . ... Space Flight . ... This activity is believed to be promoting the unusually high rate of star formation seen in M82. ... Radio image of M82 made with the MERLIN and VLA telescopes. Insets show MERLIN images from April 25th and May 3rd 2009 demonstrating the sudden appearance of the mystery object.€а All images are at a frequency of 5 GHz. ... Mystery object in Starburst Galaxy M82 . ...

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... Section M-7 describes the basic problem of trigonometry (drawing on the left): finding the distance to some far-away point C, given the directions at which C appears from the two ends of a measured baseline AB. ... That means that the angle ? ... 2? r covers an angle 360њ . ... Suppose you want to estimate the distance to some distant landmark--e.g. a building, tree or water tower. ... Alpha Centauri, the sun-like star nearest to our solar system, has a distance of 4.3 years and a parallax of 0.75"....

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• How Distant is the Moon?--lesson plan #15

.

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• The Galaxy Gallery: Messier Objects

. Figure 1: Multicolor optical image around the ULX "X-1" (indicated by the arrow) in the dwarf galaxy Holmberg II, located in the direction of the constellation Ursa Major, at a distance of 11 million light-years. The image size corresponds to 1,100 900 light-years at the galaxy. The red color represents spectral line emission from hydrogen atoms. Special Astrophysical Observatory/Hubble Space Telescope

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• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B5CC09CD2-BBCA-4283-B815-5B003627000D%7D
• How do astronomers use Cepheid variables to measure distances? | Astronomy.com
• Accurate distance measurement resolves major astronomical mystery |

... Most stars form in clusters, so the simple picture of star formation needs to incorporate the impact that young stars have on their environments, and each other. One region we study is NGC 1333, shown to the left as seen by the Spitzer Space Telescope. This is a тАЬproto-typicalтАЭ star-forming region located тАЬonlyтАЭ 1000 light years away in the direction of the constellation Perseus. ... Copyright 2015 Adele Plunkett. ...

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... Users . ... AAS 225 . ... This particular part of the analysis has been disabled since the code is struggling to cope with the number of users seen this year, in particular the large contingent of people who have re-tweeted NASA. ... The links between the accounts identify those users who have mentioned another user in a tweet, using the @name syntax; the line widths increase based on the number of mentions but given that the graph is ever-so-slightly crowded this isn't that useful at this time. ...

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... PUBLIC LECTURE - APRIL 12, 2016 . New Discoveries in the Outer Solar System: Ceres, Pluto and Planet X . ... Dr. Green will talk about "New Discoveries in the Outer Solar System: Ceres, Pluto, and Planet X". ... Beginning in 1992 planetary astronomers began to find Pluto like objects beyond the orbit of Neptune showing us that Pluto was a member of an entirely new family of objects we now call the Kuiper Belt. ... Amateur Astronomers Association of Princeton, Inc., ...

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The AstroGuide . ... AstroGuide Listing . Login . See many more Astronomy Listings by: Category or Alphabet . The Astronomer Mailing List is a discussion group intended for Amateur Astronomers from all age groups, who would like to participate in Astronomy-related discussions . ... Listed Since April 11, 2001 . ... Web Site . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Polish Amateur Astronomers Society - Krosno Branch, AstroGuide Listing
• Amateur Astronomers Of Central Iowa, AstroGuide Listing
• Back Bay Amateur Astronomers, AstroGuide Listing

Over the coming weeks an international team, including Simon Jeffery , Vincent Woolf and Amir Ahmad of the Armagh Observatory, will use over fifteen different telescopes to make over one hundred nights of observations of just one star to learn about its internal structure. ... Although the approach has been used before, this may be the first time that a global asteroseismology project has tried to measure both light and spectrum variations at the same time for any star apart from the Sun. ...

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• Armagh Observatory
• C.J. Butler, Research Astronomer
• HISTORICAL BACKGROUND

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... Visitor Center . ... Kick-Off Ceremony of the Arecibo Observatory 50th Anniversary . ... ASTEROID 2005 YU55 . ... ASTEROID FLYBY : NASA radars are monitoring 2005 YU55, an asteroid the size of an aircraft carrier, as it heads for a Nov. 8th flyby of the Earth-Moon system. ... Astronomers used the planetary radar system at the Arecibo Observatory radio telescope to spot the asteroid, called 2005 YU55, over four days starting on April 19 . ...

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• Astronomers Detect Coolest Radio Star National Astronomy and Ionosphere Center
• Star Names
• astronomers detect coolest star