... Vent tubes during assembly . Vent tubes with "frisbees" and springs . Vent tubes with the "frisbees" and springs removed (one spring is also shown) . Thermal sensors on the back of the mirror, overview . Thermal sensors on back of test sample. Frisbees are installed. Thermal sensors on the front of the mirror . Wiring for the thermal sensors . Thermal sensors, anemometer and exhaust fan locations. ... Heating the test sample. ... Test sample being cooled via fan #3. ...

Most of these images were obtained by Mike Bessell, Michelle Buxton, Hwankyung Sung, Ralph Sutherland and Bob Watson at SSO using a 2Kx2K Site CCD behind a Nikon or Hasselblad lens or directly on the 1m telescope. A few images are from the Hubble Space Telescope. Some of the M42 images were obtained with the KPNO 1m and ESO NTT telescope. One image is a mosaic of IRAS images. ... Details of the CCD imaging program at MSSSO. ... antenna.jpg (53KB) . ... ngc6744.jpg (59KB) . ...

... Spectrometer board from the first (test) run . Spectrometer board from the second (production) run; assembled with cPCI mounting hardware and FPGA heatsink . ... Quadrature downconverter board . ... Full GALFA system test (simulating 2 beams input) . A full 7-spectrometer test . Top of multi-beam receiver at Arecibo feeding GALFA spectrometer . ... Spectrometer boards in cPCI rack installed and operational at Arecibo . Full GALFA system installed and operational at Arecibo . ...

... Two new Phased-Array Feeds on ASKAP . ... Here is a photo of ASKAP antennas 4 and 5 with their newly installed Mk II Phased-Array Feeds (PAFs). When we can turn on the power in the next week or so, we will begin single-dish commissioning tests on these two antennas. This will be followed shortly by the installation and testing of another two MK II PAFs on ASKAP antennas 2 and 12. ... today * ATNF | ... ASKAP | ...

The Space Shuttle Discovery is pictured here docked to the Destiny laboratory of the International Space Station. It's going to be hard to top this mission," NASA Administrator Michael Griffin said. ... The crew got phone calls from two world leaders. ... Commander Eileen Collins and the crew of the STS-114 mission, Jim Kelly, Charlie Camarda, Wendy Lawrence, Steve Robinson, Andy Thomas and Soichi Noguchi of Japan, landed at Edwards Air Force Base, Calif., at 7:11 a.m. CDT on Aug. ...

... 2010 . ... The following images are mosaics obtained on 03 August 2010 at the National Solar Observatory/Dunn Solar Telescope with the Interferometric Bidimensional Spectrometer (IBIS). ... The final images are approximately 238 x 242 arcseconds, or 4 x 4 arcminutes, with a pixel scale of 0.0976 arcseconds per pixel. ... The images show a broad range of typical chromospheric structures, including sunspots, superpenumbra, plage, filaments, and quiet internetwork. ...

... Астронет | Картинка дня | ... планета Астронет | ... Астрономическая картинка дня . ... Около равноденствия магнитное поле Земли ориентировано так, что создаются благоприятные условия для взаимодействия с солнечным ветром, которое и вызывает прекрасное северное сияние. ... Полярные сияния и магнитосфера Юпитера . ... Слегка сжатое магнитное поле словно через воронку несет заряженные частицы к полюсам Юпитера, опуская их прямо в его атмосферу. ... Туманность Пузырь крупным планом . ...

... Tonight's Sky . ... The Magazine . ... Star Atlas . ... An artificial comet holds secrets to Earths life . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... The planet has extreme temperature swings and perhaps active lava flows. ... A digital supplement to Astronomy magazine. ... Join TravelQuest International with Astronomy and Discover magazines on one of three great tour options surrounding this celestial spectacle . ... Astronomy Magazine . ...

... The Great Nebula in Carina . ... Eta Carinae , the most energetic star in the nebula, was one of the brightest stars in the sky in the 1830s, but then faded dramatically. Eta Carinae is the brightest star near the image center, just left of the Keyhole Nebula . While Eta Carinae itself maybe on the verge of a supernova explosion, X-ray images indicate that much of the Great Carina Nebula has been a veritable supernova factory . Tomorrow's picture: open space . ...

... I got all my tests for check_over to pass and moved on to writing the first test for do_kernel_square. ... I got all the tests working again and modified the pixmap code to create a float array instead of a double and use a half pixel grid. ... I got all the test cases to run and then modified the cdrizzlebox code to be zero based instead of one based. ... Dobox is the top of the hierarchy of code that needs to be tested for errors after rewriting map_value. ... And I got the tests to work again. ...

... Дни открытых дверей к юбилею САО РАН (12-14 апреля 2016 г.) . Международная конференция "Dark Ages and White Nights (Spectroscopy of the CMB)" (20-24 июня 2016 г.) . ... Международная конференция MULTI-SPIN GALAXIES - 2016 (26-30 сентября 2016 г.) . Международная астрономическая конференция "Физика звезд: от коллапса до коллапса" (3-7 октября 2016 г.) Архив . ... Подробнее.. ... 10.02.16 . ... БТА в реальном времени . ... Цейсс-1000 в реальном времени . ... Последнее обновление: 22/03/2016 ...

Eyepieces Forum Message . ... Pictures . ... Posted by Jarvis Krumbein on October 31, 2003 04:44:38 UTC . ... Pictures - gjeckes - October 31, 2003 - 05:10 UTC . ... Pictures - gjeckes - November 1, 2003 - 01:02 UTC . ... Pictures - jkoptic - November 2, 2003 - 05:23 UTC . ... Secondary offset - gjeckes - November 2, 2003 - 21:41 UTC . ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... PRIME CREW . ... On February 14, 1995 he was assigned to the second crew (PC-20) under the EuroMir-95 program and from February 20 to August 1995 he passed training as a flight engineer, together with G. Manakov and from April 1– with C.Fuglesang (ESA, Sweden). ... On February 3, 1999 by decision of RSA Board he was removed from the ISS crews and assigned as a flight engineer of the back-up crew (PC-28) and the prime crew (PC-29) for the Mir Orbital Station, together with S. Sharipov. ...

... Science Users Information > Observing Facilities > Instrumentation Development > Integration Cryo-Vacuum . ... Integration Cryo-Vacuum . ... MAD . ... Semented Mirror . ... Paranal Instruments . ... ESO Departments . ... July 2010 . ... October 2008 . ... Jan 2008 . ... Our department has been involved for many years in the first generation VLT instruments. ... MAD first MCAO ever . ... This visitor instrument was fully integrated uder the responsibility of the integration and cryo-vacuum department...

. ASTDEPT, 2003, Webmaster . Designer

... Bad Astronomy . Misconceptions . ... I have a fun video on how to stand an egg on end on my blog at Discover Magazine . ... At the end of the show, one of the characters looks up the words "egg" and "equinox" on the web... and says it sent him to "thingsthatarewrong.com". ... Bad Astronomy : Only on the day of the Vernal (spring) Equinox, can you stand a raw egg on its end. Good astronomy : If you can stand a raw egg on end, it has nothing to do with the Equinox. ... 2008 Phil Plait. ...

... How much energy is there in a 20 mph wind? . 20 mph wind =10 m/s .0006 * 10 3 = .0006 * 1000 = .6 KILO watts per square meter . ... In your back yard the average wind speed is 10 mph which yields 100 watts per square meter. ... 4 3 = 64 if a 10 mph wind gives you 100 watts per square meter then a 40 mph wind gives you 64 times more power per square meter 6400 watts per square meter . total power = 6400 watts per square meter * 2 square meters = 12800 watts = 12.8 Kilowatts this is a lot! ...

. ChASeM33 . - The Chandra ACIS Survey of M33 - . Picture Gallery . M33: . M33 (R, G, U) . M33 (Ha, R, B) . M33 (R, Ha, NUV) . M33 (Ha, NUV, soft X-rays) . M33 (soft, medium, hard X-rays) . NGC604: . NGC604 (NII, Ha) . NGC604 (Ha, NII, soft X-rays) . NGC604 (multi wavelength composite) . NGC604 (soft, medium, hard X-rays) . IC131: . IC131 (r, g, u) . IC131 (Ha, NII, soft X-rays) . IC131 (multi wavelength composite) . IC131 (soft, medium, hard X-rays) . Back to main page .

... Sitting (left to right): Yu.S.Ilyashenko, academician V.I.Arnold, A.B.Sossinsky, N.N.Konstantinov, T.Galkina, V.P.Pavlov, S.K.Lando, academician Ya.G.Sinai, academician D.V.Anosov. ... Left to right: S.S.Anisov, graduate student of the IUM; Yu.S.Ilyashenko, president of the IUM; S.M.Gussein-Zade, professor at MSU and IUM, member of the board of trustees. ... Academicians V.I.Arnold (chairman of the board of trustees, to the left) and S.P.Novikov. ...