... 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. ...

... Tonight's Sky . ... The Magazine . ... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Local Group . ... Why do sunspots appear in groups? ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...

High Noon Analemma Over Azerbaijan . ... Credit Copyright: Tun Tezel ( TWAN ) Explanation: Is the Sun always straight up at noontime? ... For example, the Sun never appears directly overhead from locations well north or south of the Earth's equator. Conversely, there is always a place on Earth where the Sun will appear at zenith at noon -- for example on the equator during an equinox . ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2013 October 14 . High Noon Analemma Over Azerbaijan . Image Credit Copyright: Tun Tezel ( TWAN ) . Explanation: Is the Sun always straight up at noontime? ... Pictured above is one such high noon analemma -- a series of pictures always taken at exactly noontime over the course of a year. ... About APOD | ...

The following are some standard questions that PIs have about their solar system target confirmation charts. ... Which apertures are displayed? Each chart is drawn to represent a specific time. ... Ideally, solar system target confirmation charts would show only the aperture that the visit uses; but sometimes it is not that simple. ... We then draw each target in the visit at the start time of the visit unless the target's solar system target windows cannot be satisfied at the start of the visit. ...

... L. Enter Hagatha's cave.[ ... N. Travel to the door [B7]. ... OF KINGS QUEST II 1 2 3 4 5 6 IMMMMMMMMMMMMKMMMMMMMMMMMMKMMMMMMMMMMMMKMMMMMMMMMMMMKMMMMMMMMMMMMKMMMMMMMMMMMM : End of : Trees, : Edge of : Dead Lake : Edge of : Trees, : Beach , : Sign : Dead Lake : : Dead Lake : Lake A : trees : : : : : : : : : : : LMMMMMMMMMMMMNMMMMMMMMMMMMNMMMMMMMMMMMMNMMMMMMMMMMMMNMMMMMMMMMMMMNMMMMMMMMMMMM : : Forrest, : Necklace : Edge of : Mallet in : Trees, B : Trident : Lake : in Log : ...

. You can leave text in its present location and move a copy of it to a different location. This is useful when you have a special paragraph that you want to repeat in a number of locations. To copy a block of text: . 1. Define the 'region' . 2. Type the M-C instruction to 'copy' the 'region'. 3. Move the cursor to the place where you want the copied text to go. 4. Type ^Y to 'yank' the text. A copy of the text moves from the 'kill' buffer and appears at its new location.

... A Brief History of Chernogolovka . The scientific center of the Academy of Sciences was founded in 1956 near the village of Chernogolovka, located 20 km north of the town of Noginsk (formerly Bogorodsk, before 1781 - Rogozhi). ... As a town of ancient Moscow, the ancient settlement of Chernogolovka was founded along the old road which connected Suzdal', the capital of East Russian Lands, to Smolensk, the capital of West Russian Lands. ... History of Chernogolovka (in Russian). ...

... The administrative centre, library, scientific laboratories, computer centre, hotel and apartment houses of the Observatory are located in the Observatory campus called as settlement Nizhniy Arkhyz, which is in 25 km to the south from village Zelenchukskaya. ... It is possible to reach Nizhny Arkhyz only by motor transport. ... SAO RAS organizes motor transport for delivery and departure of conference participants. ... Conference-2014 . ... Laboratory for the Stellar Magnetism Study of SAO of RAS . ...

... a greenish glow is often seen in the sky, known as the "Northern Lights." ... During magnetic storms, the glow may move southwards, and on occasion it can be seen in much of the US. ... A similar phenomenon is also seen in southern polar regions. ... Auroral light is produced at a height of about 100 km (60 miles) when fast electrons, arriving from space, slam into atoms and molecules of the atmosphere. ... The green light of the aurora puzzled scientists for many years, since it fit no known...

... ISS: The International Space Station is now making another set of excellent early evening passes over Ireland. ... 2.€а Fantastic Galactic Imagery and a Celestial Extravaganza at the BT Young Scientist and Technology Exhibition 2010, RDS, Dublin. €аIn its 46th year the BT Young Scientist & Technology Exhibition is much more than a competition; it is an unforgettable experience of a lifetime for the students who take part. ... Clear Skies, . ...

... Hydrogen streams in the Grus Quartet . ... The Grus Quartet consists of four large spiral galaxies, three of which appear to be close together (NGC 7582, NGC 7590 and NGC 7599), while the nearly face-on starburst galaxy NGC 7552 is located a bit further to the west. A dwarf irregular galaxy lies just north of the starburst galaxy NGC 7582, which features prominent HI tidal tails and debris. ... today * ATNF | Parkes | ATCA | ...

Astronomy Discussion Forums . ... Atm ћ Astrophotography ћ Blackholes ћ Blackholes2 ћ CCD ћ Celestron ћ Domes ћ Education . ... New Model: How Do The Sun And Moon Appear To Move Across The Sky . ... Post Message | ... focused on the Sun and the Moon as they appear from the given location of the Earth surface: . ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... 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. ...

... STScI-PRC95-02 HUBBLE VIEWS A STARRY RING WORLD BORN IN A HEAD-ON COLLISION [Right] - A rare and spectacular head-on collision between two galaxies appears in this NASA Hubble Space Telescope true-color image of the Cartwheel Galaxy, located 500 million light-years away in the constellation Sculptor. The new details of star birth resolved by Hubble provide an opportunity to study how extremely massive stars are born in large fragmented gas clouds. ...

The sections <Directory> , <Location> and <Files> can contain directives which only apply to specified directories, URLs or files respectively. Also htaccess files can be used inside a directory to apply directives to that directory. ... The order of merging is: . ... If multiple <Directory> sections apply to the same directory they are processed in the configuration file order. ... Using the options in question is only possible inside a <Directory> section (or a .htaccess file). ...

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 . ...

18oct05 When 100 Mhz 3 level data centered at 1384 Mhz is taken (a2010), radar birdies appear in the band. ... The birdie at 1350 Mhz is the Faa radar. ... The table below shows where the 1350 Mhz birdies sits in the 1st IF and at baseband. It also includes the location of the baseband 2nd and 3rd harmonics of the 1350 Mhz birdie. ... When the center frequency is 1380 Mhz, both the 2nd and 3rd harmonics at baseband alias down to 1390 Mhz. ... The 1380 radar birdie comes from the 1350 Mhz birdie. ...

T he Siding Spring Survey (SSS) is a Near-Earth Object search program that utilises the 0.5-m Uppsala Schmidt Telescope at Siding Spring Observatory, N.S.W., Australia. ... The mission of the Siding Spring Survey is to contribute to the inventory of near-earth objects (NEOs), or more specifically, the potentially hazardous asteroids (PHAs) and comets (PHOs) that may pose a threat of impact and thus harm to civilization. ... Based on the CSS Mission page . ... Siding Spring Survey Main Page . ...

... On the morning of Thursday, 26 February, amid the Gal pagos Islands, the Sun will fade from view. Not the culmination of ancient prophecy, but none less mystical, Earth's small Moon will be executing a slow slide past the enormous Sun. ... And anyone living in southern North America, Central America, northern South America, or on islands and cruise ships in the Caribbean Sea will, weather permitting, have the opportunity to experience the wonder of a solar eclipse. ...