Nickolai Copernic: "making the Sun stop, pushing the Earth". ... The aim of Copernic's investigations is improving the calculating schemes. ... In heliocentric system appeared an opportunity of calculating real proportions of Solar system using the radius of the Earth's orbits as an astronomical unit. Copernic's book "About Rotation of Celestial Bodies" contains a discription of astronomical devices as well as a new more exact catalogue of stable stars. ...

Astronomy Discussion Forums . ... Total Lunar Eclipse May 15-16 . ... Post Message | ... A total Lunar Eclipse. On the night of May 15-16 the Earth will come between the Sun and the Moon casting a shadow that will slowly cover the Moon. ... The last total Eclipse was on a day where it snowed 10? all day. ... 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" . ...

... The eleven years cycle of Sun's activity is approaching its maximum! From August 24th to 29th a team of astronomers, engineers and astro-photographers will travel to southern Greenland to observe the Northern Lights (Aurora Borealis), a phenomenon expected to be particularly spectacular during this period. ... Auroras . The wonderful celestial spectacle of the aurora occurs when very energetic particles from the Sun reach the Earth's atmosphere via the solar wind. ... About GLORIA . ...

... 8, ``Celestial Mechanics'', 2002 Canon of solar eclipses in Russia for the interval 1000--2050 M. V. Lukashova, L. I. Rumjantseva Institute of Applied Astronomy, St. Petersburg, Russia Solar eclipses are quite rare events. ... The Canon contains the basic data about the solar eclipses observed in ter­ ritory of the former USSR (in boundaries of 1990) from 1000 to 2050 with the magnitude of phase exceeding 0.1. ... Beginning from 1887 several canons of solar eclipses were published. ...

... The storm began quite unexpectedly. The strongest geomagnetic storm for the last seven months began on Earth almost precisely at the same time as the solar eclipse reached its maximal stage, the culmination of which occurred at GMT 02:35 (06:35 Moscow time). ... Oscillations of such amplitude in the magnetic field have not been observed since October, 11th of last year, which is more than seven months ago. ... We can only add that the magnetic storm lasted approximately 9 hours. ...

... Eclipses of the Moon in 2009 : . In 2009 there are four eclipses of the Moon (tree penumbral eclipses on February 9, July 7, and August 5-6 and a partial eclipse on December 31). ... Moon enters penumbra (P 1 ) . ... Moon leaves penumbra (P 4 ) . ... Eclipse, lunar : . ... It may be total (the Moon passing completely through the Earth's umbra ), partial (the Moon passing partially through the Earth's umbra at maximum eclipse), or penumbral (the Moon passing only through the Earth's penumbra ). ...

Routines can now be called with keyword arguments and can use default arguments, that means that some arguments can be given with keywords instead of position and some do not have to be given at all, in which case a standard or default value is used. ... IMPLICIT NONE INTERFACE SUBROUTINE SOLVE (A, B, N) INTEGER, INTENT (IN) : : N REAL, INTENT(OUT) : : A REAL, INTENT(IN), OPTIONAL : : B END SUBROUTINE SOLVE END INTERFACE REAL X ! ... You will use keyword arguments and default arguments so that . ...

... Science Users Information > Observing with ESO Telescopes > Visiting Astronomers . ... All users who are allocated observing time in Visitor Mode at the La Silla Paranal Observatory are urged to read carefully the Instructions for Visiting Astronomers , which specify the policies and procedures that currently apply to Visiting Astronomers travelling to Chile to conduct observations with ESO telescopes and describe the practical steps to be taken for the logistic preparation of observing missions. ...

... There are still a few items on a punch list of things to be completed. ... Sometimes recovery is quick and other times the instrument self corrects itself just by sitting idle. ... As of August 30, 2013, the 3.5-m has implemented a TAI time standard in all the instrument headers. ... ARCES . ... 2015-11-30: The slitviewer computer problems appear to be intermittent but are quickly resolved by the observing specialist. ... The instrument is available again . ... 2015-10-26: Vacuum not soft. ...

... First Contact Moon begins to move over Sun from West Starts at ~5:44:45 AM (about 10 minutes after sunrise) Must observe sun with filter! Good time to check and adjust mount tracking and alignment Watch for sunspots 6/21/ 2001 - Zambia ( Mario Motta ) First Contact Crescent images of Sun Natural pin-holes such as leaves on trees Pin-holes in cardboard Mario Motta Watch sky and environment Gradually darkens Temperature drops 8/11/1999 Hungary (Eric Pauer) ~1 min Before Second ...

History of an outer space exploration . ... The first space rockets . ... In space where there is no air, the engine which is not using air, i.e. the rocket installation is necessary for a flight vehicle. ... The Tsiolkovsky has understood, that firm kinds of fuel are not suit for space flights and has offered to use rocket engines on liquid fuel. ... Tsiolkovsky made a great contribution to the theory of rocket flight. ... From a satellite of the Earth before lunar landing . ...

... 28Mingaliev+ J/other/BSAO/46.28 Complete sample of PMN survey spectra (Mingaliev+, 1998) ============================================================================ Simultaneous spectra of complete sample of sources from the PMN survey Mingaliev M.G., Botashev A.M., Stolyarov V.A. 200mJy at the PMN Survey frequency 4.8GHz; 0h =10(deg} to exclude the galactic plane. ... rms uncertainty on S11.2GHz 23- 26 I4 mJy S7.7GHz ? ... rms uncertainty on S2.3GHz 58- 62 I5 mJy S0.96GHz ? ...

... 322, 347­351 (1997) ASTRONOMY AND ASTROPHYSICS The solar eclipse observed by Clavius in A.D. 1567 F.R. Stephenson1 , J.E. Jones2 , and L.V. Morrison3 1 2 3 Department of Physics, University of Durham, DH1 3LE, UK Proudman Oceanographic Laboratory, Bidston Observatory, Birkenhead, Merseyside, L43 7RA, UK Royal Greenwich Observatory, Madingley Road, Cambridge, CB3 0EZ, UK Received 14 June 1996 / Accepted 17 September 1996 Abstract. ... The solar eclipse observed by Clavius in A.D. 1567 (a) 42. ...

... Your main research interests concern neutral hydrogen. ... That means that there must be enormous quantities of gas lying around, waiting for the chance to collapse under its own weight into lumps and form stars and galaxies. If we could actually observe this gas, as it moves around and assembles itself into lumps, we would be directly observing the process of galaxy formation. ... Optical astronomers seem to think that they can observe galaxy formation by taking optical images. ... In galaxies. ...

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . LX850 Series . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... Meade's revolutionary LS LightSwitchтДв series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... Support . ... Become a Meade Dealer . ...

To monitor the progress of a transfer, it can be useful to enter the hash command before the transfer. This instructs ftp to print a `#' character for every 1024 bytes of data received. So long as a # appears every so often, the ftp is still in progress, and there are no problems. ftp> hash Hash mark printing on (1024 bytes/hash mark). ftp> get paper.txt 200 PORT command okay. ... 226 Transfer complete. 16494 bytes sent in 0.98 seconds (16 Kbytes/s) ftp> . ...

Experimental rocket R-1A . To mature mass and operating characteristics of rocket R-1, its designers proposed to use an integral fuel tank and a warhead separated from the rocket at the ascent phase completion. In this case, only the ascent phase appeared to be rated for the launch vehicle and considerably more favorable regarding mechanical and thermal loads as compared to the atmospheric portion of the descent phase of the flight trajectory. ... Official WEB-site of S.P.Korolev RSC Energia . ...

JSC Celebrates 40 Years of Human Space Flight . ... Scheduled for completion about 2006, the completed International Space Station will have a mass of about 1,040,000 pounds. ... The assembled space station will provide the first laboratory complex where gravity, a fundamental force on Earth, can be controlled for extended periods. ... Hospitals, business parks and solar electric power stations that beam clean, inexpensive energy back to Earth are likely to dot the "space-scape" 40 years from now. ...

The SOHO spacecraft currently supplies daily images of the solar corona at 1.1-3, 2-6 and 4-30 solar radii. Are ground-based solar corona observations during total solar eclipses have becoming obsolete nowadays? A quick view of SOHO data shows that it is not perfect in some respects. ... On March 9, 1997 an expedition has been organized by the Russian Academy of Sciences to the Baikal region in Siberia for observation of the total solar eclipse. ... Fig. ... Lens: F = 1m, D = 170 mm . ...

... Astrophysics Group . ... Opening of Battcock Centre for Experimental Astrophysics . ... SKA AAVS0 array . ... SKA production design with Cambridge Consultants Ltd . ... Astronomy, Astrophysics and Cosmology have historically been among the very strongest scientific disciplines in Cambridge. ... Paul Alexander, Head of the Cavendish Astrophysics Group and Director of the Battcock Centre for Experimental Astrophysics, is the leader of CambridgeБЂ™s involvement in the SKA: . ...