... 2014 December 14 . Molecular Cloud Barnard 68 . ... Explanation: Where did all the stars go? What used to be considered a hole in the sky is now known to astronomers as a dark molecular cloud . ... One of the most notable of these dark absorption nebulae is a cloud toward the constellation Ophiuchus known as Barnard 68 , pictured above . ... It is not known exactly how molecular clouds like Barnard 68 form, but it is known that these clouds are themselves likely places for new stars to form . ...

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• APOD: 2012 January 29 - Molecular Cloud Barnard 68
• APOD: 2009 June 23 - Molecular Cloud Barnard 68
• APOD: 2006 April 9 - Molecular Cloud Barnard 68

... Molecular Cloud Barnard 68 . ... What used to be considered a hole in the sky is now known to astronomers as a dark molecular cloud . ... It is not known exactly how molecular clouds like Barnard 68 form, but it is known that these clouds are themselves likely places for new stars to form . ... NASA Web Site Statements, Warnings, and Disclaimers . ... Publications with keywords: Barnard 68 - molecular cloud - dust . Publications with words: Barnard 68 - molecular cloud - dust . ...

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... July 10, 1998 . NGC 1531/2: Interacting Galaxies . ... Explanation: This dramatic image of an interacting pair of galaxies was made using the 1.5 meter telescope at the Cerro Tololo Inter-American Observatory near La Serena, Chile. NGC 1531 is the background galaxy with a bright core just above center and NGC 1532 is the foreground spiral galaxy laced with dust lanes. ... These galaxies lie close enough together so that each feels the influence of the other's gravity. ... About APOD > . ...

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• APOD: December 6, 1999 - M83: The Southern Pinwheel Galaxy from VLT
• APOD: September 5, 1998 - The Pulsar Powered Crab
• APOD: December 27, 1995 - Nova Cygni 1992

M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

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... Major news, from Terry Moseley: "Irish amateur astronomer Dave McDonald has just discovered an asteroid - the first one to be discovered in Ireland for 160 years! ... He said to me afterwards "Now I'll just have to discover one myself!" ... The only other asteroid ever discovered in Ireland was 9 Metis, by Andrew Graham at Markree Observatory in Co Sligo, on 25 April 1848. ... International Year of Astronomy, Ireland National Node . ...

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• Historical Background
• HISTORICAL BACKGROUND
• Spinning Star Formation

... 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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... Observing . ... Solar Observing . ... April 3 (SUN) - Solar Observing, Central Park , Manhattan . ... APRIL'S SKY . ... Lecture Series at the American Museum of Natural History The Amateur Astronomers Association is proud to present an astronomy lecture series from October through May each year for our members and the .. ... The€аAmateur Astronomers Association of New York€аwas organized in 1927 to promote the study of Astronomy, emphasizing its cultural and inspirational value. ...

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... Planets . ... Earth Satellites . ... Looking in the direction of the constellation Cygnus the Swan and launched by NASA in 2009 is the Kepler Space Observatory.Many previous missions searching for exoplanets mainly detected large giant planets, like large hot Jupiters (it is easier to detect larger planets).However KeplerтАЩs main objective is to search for much smaller planets located in a habitable zone which is not too close nor too far from their star; planets which may be just like our Earth. ...

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• Are you an astronomer: Seven telltale signs! | Astronotes
• Armagh Planetarium: Discover Primary Science | Astronotes
• Pluto and Eris: when is a planet not a planet? | Astronotes

... 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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Supernova 2009js in NGC 918 . This page is devoted to information on Supernova 2009js in NGC 918 . Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the updates and links web pages. Discovered independently by Lick Observatory Supernova Search (USA) and Koichi Itagaki (Japan). ... 2009/10/11.44 . 17.2 . ... Joseph Brimacombe . ...

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home resources > books . SEARCH ASP SITE: Match ALL words Match ANY word . ... Buy The Black Hole at the Center of our Galaxy at Amazon.com! Reviewed by Terrell Kent Holmes . In 1974 astronomers discovered a bright radio source at the center of the Milky Way Galaxy, in the direction of the constellation Sagittarius. It was an unknown quantity then, but astronomers now know that the object is a supermassive black hole causing a maelstrom of activity at the galactic center. ...

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• ASP: Using Multicultural Dimensions to Teach Astronomy
• ASP: Star Science in the Autumn Sky
• ASP: Steering by Different Stars? Astronomers and the Dark-Sky Movement

This is the homepage of Andrew Fruchter, an astronomer on the staff of the Space Telescope Science Institute . ... Here you can look at an HST images of the optical counterparts of gamma-ray bursts and their host galaxies. ... Therefore, substantial information on the fine scale structure of objects can be obtained by offsetting the pointing of the telescope between exposures and then combining these "dithered" exposures into a single image. ...

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• Local astronomers find gigantic halo around neighboring galaxy - By MEGHA
• ACS Instrument Handbook
• The Document Resources of Purple Mountain Observatory Library

... Archives . ... If you do not mind the time predictor, it is hard to believe that this is a light curve, time dependent data. ... It?s hard to say this data set is designed for time series analysis apart from the complication in statistical inference due to measurement errors. How to design the statistical study with measurement errors, huge gaps in time, and unequal time intervals is complex and unexplored. ... The following is R output without measurement errors. ... Chandra Blog . ...

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• A matrix of tweets from #AAS223
• A matrix of tweets from #AAS221
• The AstroStat Slog error propagation

The small solids. Asteroids or the small planetes . ... The comets. ... Ceneca the Young.Procuring about the nature.63 y. The comet is a celestial body of a great size, but a rare one... transparent. Sometimes there seen a core and the medium forms a kind of a tail, beard or dishevelled looks. ... The core is an ice body - conglomeration of frosted gas and dust. ... The comet state is variable: ones have the con tails, others the dust tails, and the third have both. ... Meteors and meteorites. ...

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• Keplere

Image credit: Michael Nolan, Arecibo Observatory. These radar images of near-Earth asteroid 2001 SN263 were obtained on 2008 Feb 12 and 13. ... Image from Feb 12 . ... First near-Earth triple asteroid discovered by Arecibo Observatory . ... was discovered this week by astronomers at the sensitive radar telescope at Cornell University?s Arecibo Observatory in Puerto Rico. ... For example, Arecibo has discovered more than half of the near-Earth binary asteroid systems discovered since 1999. ...

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• astronomers detect coolest star
• Astronomers Detect Coolest Radio Star National Astronomy and Ionosphere Center
• What is HISA?

... Moon . ... What can astronomers tell us about the different colors on the surface of Jupiter's moon Europa? ... We can use the colors of Europa s surface to tell us about the chemical compounds that make up the surface and subsurface of the jovian moon. Even before the first spacecraft made a close visit to Europa, astronomers on Earth used telescopes to study the moon and were able to use a technique called spectroscopy to determine that Europa s surface is composed mostly of water ice. ...

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• Astronomers recently discovered brown dwarfs of only a few hundred degrees
• Astronomers recently discovered that Scholz's star passed close to the Sun
• How did astronomers discover that the expansion of the universe was

... English astronomer and mathematician. ... American astronomer. ... Bond, William Cranch 1789-1859 . ... At the observatory, he studied Saturn and (with William Lassell ) discovered its moon Hyperion . ... Polish astronomer who advanced the heliocentric theory that the earth and other planets revolve around the Sun. ... Galileo Galilei 1564-1642 . ... Van Allen discovered the Earth's radiation belts, which now bear his name, with an instrument aboard the first successful American satellite, Explorer...

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• First X-Rays From a Comet Discovered
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• Chronology of Magnetospheric Exploration

... Your main research interests concern dust. ... One of your main pleasures in life is going to conferences, and asking the question `have you considered dust obscuration?' after every talk by an optical astronomer, and watching their embarrassed evasions. ... Just look at any starburst galaxy: they are the most luminous objects in the local universe, but they are so dusty that the optical astronomers never even noticed them until the infra-red astronomers pointed them out! ...

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• Student Briefing
• Siding Spring Survey
• University Problem Based Learning Exercises for Teaching Astronomy and Physics

Signs Constellations Of The Zodiac . Articles | ... The band of the zodiac is some sixteen degrees wide, extending about eight degrees north and south of what's called the ecliptic -- the Sun's path through the stars. ... Since that time, the March equinox Sun has shifted about thirty degrees westward through the constellations of the zodiac. ... While signs neatly extend eight degrees north and south of the ecliptic, aligning with the borders of the zodiac, constellations do no such thing. ...

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• Space.Com Canada, AstroGuide Listing
• Discover The Science Behind The "Wormwood Star Prophecy" - an Astronomy Net God
• Observational Stellar Astronomy - an Astronomy Net Article

Next: SAS processing Up: Maintenance procedures Previous: Maintenance procedures Contents . Suitable observations should be longer than about 20 ksec, cover all the considered time period, and have different background levels, in particular the highest ones, so the sample should include observations taken at the beginning and end of the science window. It is helpful to consider objects for which no RGS spectrum is expected or to look at the RGS monitor pages. ... Michael Smith 2011-09-20 ...

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• Source detection
• Background Files
• Algorithm