Astronomy Picture of the Day . Rays from an Unexpected Aurora . ... 20.11.2005 . ... For starters, on this Friday morning in August 2002, no intense auroral activity was expected at all. Possibly more surprising, however, the aurora appeared to show an usual structure of green rays from some locations. ... Mirroring the green rays is a red band, somewhat rare in its own right. ... November 2005 . ... NASA Web Site Statements, Warnings, and Disclaimers . ... Publications with keywords: aurora . ...

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• APOD: 2008 January 1- Rays from an Unexpected Aurora
• Астронет > Rays from an Unexpected Aurora
• Астронет > APOD: 2008 January 1- Rays from an Unexpected Aurora

... 2005 November 20 . Rays from an Unexpected Aurora . ... For starters, on this Friday morning in August 2002, no intense auroral activity was expected at all. Possibly more surprising, however, the aurora appeared to show an usual structure of green rays from some locations. ... Large sunspot groups indicate that activity from an active Sun is relatively likely, possibly causing other streams of energetic particles to cascade onto the Earth and so causing more auroras . ... About APOD | ...

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• APOD: 2002 August 5 - Rays from an Unexpected Aurora
• APOD: 2008 January 1 - Rays from an Unexpected Aurora
• APOD: 2006 March 6 - Unexpected Comet Pojmanski Now Visible

... 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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... I.A.Dynnikov, Three-page approach to knot theory. ... Universal semigroup, Funktsional'nyi Analiz I Prilozhenija, 34 (2000), no.1, 29-40 (Russian); English translation in Functional Analysis and Its Appl. 34 (2000), no.1, 24-32. I.A.Dynnikov, Finitely presented groups and semigroups in knot theory. ... Math. 2000, no. ... English translation: Russian Math. ... A.Vershik, Numerical invariants of exponential groups, and a locally free approximation of braid groups (in Russian), Zapiski Nauchn. ...

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Weekly Bulletin on Solar and Geomagnetic Activity Highlights on 20 - 26.08.2012, Forecast on 27.08 - 03.09.2012, Carrington Rotation 2127 (15,04.08.2012) SUNSPOT ACTIVITY OF THE SUN REMAINED AT THE AVERAGE LEVEL. ... ON THE VISIBLE SOLAR DISK CONSTANTLY THERE WERE 4-5 SUNSPOT GROUPS ONE OF WHICH, APPEARING ON THE VISIBLE SOLAR DISK ON AUGUST 25, AVERAGE SIZES. NEXT WEEK THE LEVEL OF SUNSPOT ACTIVITY IS EXPECTED TO BE AVERAGE. ... FLARE ACTIVITY WAS ON THE LOW LEVEL IN ALL DAYS. ...

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• http://www.izmiran.rssi.ru/services/saf/archive/en/2012/obzor20120730.en.txt
• http://www.izmiran.rssi.ru/services/saf/archive/en/2012/obzor20120709.en.txt
• http://www.izmiran.rssi.ru/services/saf/archive/en/2015/obzor20150810.en.txt

... December 30, 1998 . Supernova 1994D and the Unexpected Universe . Credit: High-Z Supernova Search Team , HST , NASA . Explanation: Far away, long ago, a star exploded. ... Supernova 1994D was not of interest for how different it was, but rather for how similar it was to other supernovae . ... The large number and great distances to supernovae measured in 1998 have been interpreted as indicating that we live in a previously unexpected universe . ... About APOD > . ... NASA Technical Rep.: ...

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• APOD: 2000 March 12 - Supernova 1994D and the Unexpected Universe
• INFRARED CAMERA SPECTOMETER TNG
• K-band Arcetri Obscured Supernova Search - What is the KAOSS Projrect?

The annual Geminid meteor shower makes its return to the vicinity of the Earth over the period 7th to 16th December, with the peak of activity expected to occur during the morning of 14th December. ... The Geminids appear to radiate from the constellation Gemini, The Twins, which lies high in the west in the early morning December skies. ... The near-Earth asteroid, Phaeton , discovered in 1983 using a NASA satellite, appears to be the source of the shower. ... Photographing Meteors . ...

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• Armagh Observatory
• Armagh Observatory Geminid Meteors
• Leonid Meteor Shower 2004 Armagh Observatory

Date: Sat, 1 Sep 2007 09:51:34 -0400 From: Rodger Doxsey Subject: Gyro 2 has failed Gyro 2 failed last night. It had accumulated more than 57,000 hours of run time, well above average. ... This is the expected wear out mode for the gyros. When the gyro failed, the safing system reacted as planned, closing the aperture door and starting up the Zero Gyro safemode control law. ... The science schedule needs to be rebuilt to reflect the use of Gyro 6. ... Rodger Doxsey ...

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• http://www.stsci.edu/documents/dhb/web/c04_focinstover.fm6.html
• http://www.stsci.edu/ftp/observing/status_reports/old_reports_93/hst_status_10_19_93
• http://www.stsci.edu/documents/dhb/webvol2/c17_hsperror.fm9.html

... Science . ... Science Users Information > Data Handling and Products > Data Reduction FAQ > I see unexpected boxy emission-like features in my REDL spectra - where do they come from? ... Observing with ESO Telescopes . ... ESO-MIDAS . ... ESO Data . ... The pipeline by default interpolates across the bad columns in the REDL CCD when it creates the master bias, but does not so when it processes the science data. This inconsistency can create boxy emission-like features as seen in the figure below. ...

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• Mario van den Ancker
• Rivi: Magnetic Stars
• The Unexpected Past of a Dwarf Galaxy | ESO

Blackholes2 Forum Message . ... Post . ... Shifts Are As Would Be Expected. ... Post Message | ... Red and blue shifts can be caused by velocities also. ... The expectd result would be a red or blue shift proportional to the aparent distance an object is from the observer. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• I Expected More Sense Than That. - an Astronomy Net Exploration Forum Message

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... History . Brief History of Rocket and Space Technology . ... Project History . ISS Russian Segment . Steps of ISS Assembly . ... ISS 45/46 . ... POPULAR MECHANICS . ... AT-SPACE . ... Popularization of the Popular Mechanics Journal and space-related activities in Russia; . Strengthening the cooperation between RSC Energia and Spacehab Inc. ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

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ATNF Home . About ATNF . ... About ATNF overview . News | ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Information & tools for observers . ... Australia Telescope Online Archive (ATOA) . ... ATCA | ... Australia Telescope 20GHz Survey . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ...

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• G Quirks and Unexpected Behaviour
• PPTA Wiki | Internal / Prep
• Archive of VLBI Observations Majordomo List

... Watchouts . ... Help . It has been found by several PN exposures that the event list corresponding to a certain quadrant (3 contiguous CCDs) is truncated. This makes one (or more) quadrant(s) to appear fainter even in exposure corrrected images. ... It has been found that it was present only for some of the SAS versions in the past. SAS 6.5 is definitively affected. ... It follows a complete list of the affected exposures up to revolution 1051: . ... Pages maintained by SAS librarian . ...

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• Radiation Hardness
• Short-comings
• User-level errors and warnings

... Circumstellar disc of beta Pictoris: constraints on grain properties from polarization. To appear in the Astronomy & Astrophysics . abs , src , ps ] . ... Dust influx to Titan from Hyperion . ... abs ] . ... Characteristics of bulges and disks in interacting galaxies . ... Dust grains around Herbig Ae/Be stars: porous, cometary-like grains? ... To appear in the Astronomy & Astrophysics Supplement . ... Finally, Links may lead you to more options (e.g. via the LANL preprint system). ...

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• Polarization efficiency: size/shape/orientation effects

... All images on this page are copyright Robert H. McNaught. ... There have been so many requests for high resolution copies of these images that I ask that all enquiries for these to go directly to Science Photo Library. C/2006 P1 on Jan 18, 10:22 UT. Photo: R. H. McNaught, Siding Spring Observatory. Canon 5D, 135mm, f/2.0, 2 sec exp., ISO 1600 . ... ISO 200 . ... Canon 5D, 50mm, f/2.0, 30 sec exp., ... Canon 5D, 135mm, f/2.0, 120 sec exp., ... Canon 5D, 50mm, f/2.0, 110 sec exp., ...

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• Gemini NIFS May 2002 First Cool Down.
• Emma Kirby - Science
• GSAOI CoDR Pictures Page

Next Previous Contents . This means that an interrupt happened that no driver expected. ... In many cases you can safely ignore this error message, especially if it only happens once or twice at boot-time. For boot-time messages, look at the messages which are nearby for a clue as to what is going on. For example, if probing is going on, perhaps a probe for a physical device caused that device to issue an interrupt that the driver didn't expect. ...

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• PUBLICATIONS 1998

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. ...

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• ABPP GUI notes
• National Astronomy and Ionosphere Center (Arecibo Observatory)

... This year SSAU provides 1429 state-funded places for admission in all kinds and directions of educational programs. ... In addition, SSAU Admission Committee notes the substantial increase in interest from the foreign applicants this year. The number of applications from foreign countries has already surpassed last year's totals - 76 applications. Based on the experience of admission campaigns of previous years, SSAU expects summer 2014 to enrol about 150 foreign students in the university. ...

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• Samara University scientists designed new materials for the accumulator of the

... The Sun has come all of one day away from breaking its record for the longest period of inactivity for the last decade - reaching a mid-summer low and falling into yet another state of "hibernation". Yesterday, on the first day of autumn, new sunspots appeared on the surface of the Sun following an absence of almost 50 days. ... The first low lasted 51 days, from 21 July until 11 September last year. ... Now, almost a year later, it seems the Sun has hit a new low almost as "deep" as the first. ...

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• Space weather forecast January 01, 2012
• Space weather forecast January 01, 2010
• Space weather forecast January 01, 2009

... With information provided by the applicant, references may submit a Reference Report Form via FastLane; reference reports may also be submitted via postal mail. ... electronic mail: felapp@nsf.gov . ... If your browser does not automatically launch the Microsoft Word 97 on-line form, a message will appear to prompt you to save the Word file to a local disk drive. b. Information via E-Mail: You can have the Guidelines for Submission of Applications and application forms sent to you via electronic...

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• http://hea-www.harvard.edu/AstroStat/Stat310_1415/rcl_20141021.pdf
• Period Criteria
• The Chandra Multiwavelength Project (ChaMP) - Science Goals