... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Problems posed by massive stars . ... These questions were at least part of the motivation when CУЕssio Barbosa of Brazil's University of SУ?o Paulo and Donald Figer of the Space Telescope Science Institute in Baltimore surveyed observers and theorists to see what they believed were the most pressing problems concerning massive stars. ... Get instant access to subscriber content on Astronomy.com! ...

... SIXA FM ACCEPTANCE TESTS . ... In accordance to plan of the Acceptance Tests for Flight Models which was agreed in March 2000 in Moscow, the Acceptance Test of SIXA FM was carried out between 28 August and 2 September at VTT Automation, Finland. ... GOUCH for electronics box of SIXA-FM, Remark: not updated after changes made in 1994. ... Ground Test Program of SIXA-FM. ... Integration Test of SIXA FM, BIUS, ISS, DSS, and MPMI . ... Test data were written to MPMI, DSS-F, DSS-S and GSE SIXA-FM, . ...

... What's New? Bad Astronomy . ... News . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Scientific Research and Prejudicial Beliefs . ... John Stossel, a journalist for ABC news, was doing an hour long report on the differences between the sexes titled "Boys and Girls Are Different: Men Women and the Sex Difference". ... One researcher found that seven out of eight brain structures she studied were actually different in men and women. ... 2008 Phil Plait. ...

University Satellites and . Space Science Education . ... A SERIES OF ATLASES ON METHODS OF SPACE IMAGES INTERPRETATION AS A NEW TOOL FOR REMOTE SENSING EDUCATION IN EARTH SCIENCES . ... Special manuals in the form of atlases of satellite images and their interpretation results are within the best tools for support of the geographical and ecological research and thematic mapping. ... Skobeltsyn Institute of Nuclear Physics, Moscow State University, 2005-2006 . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Moon . Planets . ... Space Flight . ... Earth Satellites . ... ASTRONAUTS is the game that takes you to the edge of the Solar System. ... Astronauts is the ultimate space game as you race your opponents to explore the planets and moons of our solar system and then return safely back to Earth. ... Contents: 20 planet cards, 9 moon cards, 3 dwarf planet cards, 8 return to earth cards,16 special cards, dice & rules sheet. ...

... AstroCC is a coordinate conversion utility for astronomy. It accepts an object designation or the coordinates of an object and calculates coordinates in alternative systems, and at different dates, times, and locations. It also provides lunar and bright planet coordinates to aid in planning observations. ... BJD values may also be retrieved from http://astroutils.astronomy.ohio-state.edu/time/utc2bjd.html which is based on Eastman et al. ... Coordinate data are obtained from SIMBAD. ...

... Facts of the Tunguska paradox . Hypotheses about the nature of the Tunguska explosion . Bibliography . ... Puzzles of the Tunguska event . Tunguska sketches . ... Review of studies of the Tunguska phenomenon . ... Vasilyev . ... Map and photos of the Tunguska site . Detailed maps of the epicenter of explosion . ... Photos . ... The expedition "Tunguska 2004" . ... The expedition "Tunguska 2001" . The expedition "Tunguska 2000" . ... The expedition "Tunguska 2002" . ...

The monitoring of the optics quality of DIMM instrument V. Kornilov, B. Safonov May 24, 2010 1 Intro duction A quantitative theory of measurement of optical turbulence (OT) with Differential Image Motion Monitor (DIMM) is based on certain priori assumptions [1]. ... Bottom: behavior of the instrumental Strehl's number for the left (triangle to the left) and right (triangle to the right) DIMM images during the period of measurement the maintenance of an additional correction factor seems superfluous. ...

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

Mobile Device to Digitize the photographic plates: first results Grosheva E.A., Izmailov I.S., Khrutskaya E.V. Pulkovo Astronomical Observatory, Russian Academy of Sciences, St. Petersburg, Russia Abstract -- The first results of astrometrical reduction for 40 Saturn and Pluto's plates are presented. ... This method of digitization and astrometric reduction of photographic plates using a digital camera is developed due to the problem of plate archive transportation to the high-tech measuring machines. ...