Overall 2 % of the total available thermal energy in this region heats water for steam . How many years can this source provide power for electricity generation at the rate of 2000 MW every year? Total Capacity required is 2000 Mw per year/0.02 = 100,000 MW per year . ... 100,000 MW * yr = 10 5 MW *yr * 10 6 W/MW 3.15 x 10 7 secs/yr = . 3.15 x 10 18 W secs = 3.15 x 10 18 Joules each yr . ... 8x10 19 Joules / 3.15 x 10 18 Joules/yr = 26 years . ... Previous Lecture Next Lecture Course Page ...
... Tonight's Sky . ... Search By Name Enter coordinates Use current location . ... News . ... Astronomy for Kids . ... New instrument extends the search for extraterrestrial intelligence to new realms . ... Astronomers have expanded the search for extraterrestrial intelligence into a new realm with detectors tuned to infrared light. Their new instrument has just begun to scour the sky for messages from other worlds. ... Only registered members of Astronomy.com are allowed to comment on this article. ...
Электронная библиотека астронома-любителя. ... библиотека . архив RSN . ... Ru.Space.News: . Май 1998 . ... Lunar Prospector Mission Status Report #30 May 1, 1998 - 1:00 p.m. EST (10:00 a.m. PST) The Lunar Prospector spacecraft continues to perform very well and instruments are collecting good data. ... Дата: 08 мая 1998 (1998-05-08) От: Alexander Bondugin Тема: Full Data Sets From Galileo's First 7 Orbits Now Available Привет всем! ...
Title: A New Model of the Gravitational Lens 0957+561 and a Limit on the Hubble Constant . Authors: Norman A. Grogin , Ramesh Narayan (Harvard Univ.) ... Title: ROSAT/PSPC observation of the distant cluster CL0939+472 . ... Title: Interaction in the Bimodal Galaxy Cluster A3528 . ... Title: Cosmological Implications of Galaxy Cluster Evolution . ... Title: Galaxy Cluster Virial Masses and Omega . ... Matches 201 to 222 from a total of 222 matches for the search pattern galaxy cluster . ...
... Participants . ... The workshop will take place at two locations: the Independent University of Moscow (3 days) and the Steklov Mathematical Institute (2 days). ... The registration fee is 150 USD for foreign participants (paid upon arrival by those who can cover it from their grants or institutions) and 3000 roubles for participants from the FSU (also paid for those who can cover it from their grants). This covers also the welcome party and the conference dinner. ...
... Dear teachers and guests of our site, if you are interested in the work of our teachers (foreign language teachers in particular) you may contact us through Internet. ... The teachers not only use computers for presentation of the new material, but also organize the system of checking students' knowledge. ... Every grade organizes a firm, chooses the activity, approves of the staff of the firm. ... The students also plan expenditure on scientific and research activities and advertisement. ...
Open System Handbook: A Guide to Building Open Systems . ... Section II of this handbook includes information on the current status of internationally accepted industry standards and specifications for open systems. ... Appendices include an overview guide to standards developing organizations and consortia, a listing of standards development organizations, and a summary of open systems environments developed by prominent standards and open systems organizations. ... Standards for Open Systems 2-10 . ...
... binocular telescope with digital video camera Sony DCR-TRV9E . ... Flash cards . ... Determine possibilities to obtain on-line documented information during crew visual-instrument observations by using hand optical devices in a long-duration space flight from the Russian Segment of the International Space Station to assess ecological effects of the industrial activities on the territory of the RF and foreign countries. ... Mini-DV video tapes with a video imagery of experiment objects and voice data...
... RECOMMENDED VALUES OF PHYSICAL CONSTANTS AND CONVERSION FACTORS. ... This reference must be included when these constants are used in a context where their full accuracy is important. ... elementary charge (of proton) . ... gravitational constant . ... unified atomic mass constant . ... of electron . ... of proton . ... Planck constant . ... Rydberg constant, m 0 2 m e e 4 c 3 /8h 3 . ... fine structure constant, m 0 e 2 c/2h . ... Bohr radius, h 2 ( pm 0 c 2 m e e 2 ) . ... Bohr magneton, e h /2m e...
ABSOLUTE PROPER MOTIONS OF 331 OPEN CLUSTERS . ... The proper motions of stars in the fields of 331 open clusters were taken from Four-Million Star Catalog (4M-catalog) of positions and proper motions (Volchkov et al. ... The absolute proper motions for 21 young open clusters have been derived by comparison of precise relative proper motions of individual stars and their corresponding absolute proper motions. ... Sign of proper motions in RA . ... 0.0001 arcsec/yr . ... rms error in RA proper motion . ...
... The VSOP Symposium proceedings, "Astrophysical Phenomena Revealed by Space VLBI" have been published and have been distributed to participants. ... Following the successful launch of the VLBI Space Observatory Programme (VSOP) satellite HALCA in February 1997 there have been many exciting results from space VLBI observations. ... Also, check the newly revised getting to ISAS page which has links to pictorial "Getting to ISAS from Fuchinobe" and "Getting to the Dai-Ichi Hotel from Fuchinobe" pages! ...
SITE 2010 Comprehensive Characterization of Astronomical Sites Kislovodsk, Russia, 49 October 2010 Conference Summary Marc S. Sarazin*a a European Southern Observatory, Garching, Germany Abstract The main topics discussed during the Site 2010 conference are outlined and the outcome is described. Keywords: Astronomical Site testing, precipitable water vapor, atmospheric turbulence, cloudiness, seeing 1. ... Site surveys for National observatory projects in China, India, and Iran benefit from this. ...
Nowadays at the Department the experimental and theoretical investigations, including astronomical and ionospheric observations, active experiments with space vehicles are taking place. ... Solar Corona physics and erruptive phenomenae. ... Stellar astronomy. ... The Department has organized and put into practice more then 50 expeditions for observation of Solar ecllipces, aurorae polaris, comets, meteor streams, controlled space experiments, and also for investigations of geophysical characteristics. ...
NMW survey overview . Access image archive . ... The New Milky Way survey aims to detect bright (V<13.5) optical transients near the Galactic plane using an automated wide-field (8x6 deg.) system capable of surveying the whole Milky Way area visible from the observing site in one night. ... All images obtained during the transient search survey are available online (please use the image archive access form ). ... Images per field: . ... Images per night: . ... Milky Way imaging time: . ...
... Space flight . Crew training . ... honing the skills of performing the tasks of operating the orbital (suborbital) spaceship in a normal autonomous flight and in case of occurrence of off-optimum situations; . ... preparing for conducting visual observations, photographing and video filming envisaged by the flight program; . ... preparing the astronaut's body to the effect of space flight factors, honing the skills of operating the spaceborne medical facilities, rendering self and mutual aid; . ...
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... 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 . ...
The Database of Close Binary Systems . ... Team . ... This web-based interactive database is being developed and maintained by a team at the Sternberg Astronomical Institute of the Moscow State University . The project is an on-line extension of our catalogue on "Highly Evolved Close Binary Stars" (volumes I, II) published by Gordon and Breach in 1996. As of September 2009, the database (both the software and the content) is in its development/testing phase. ...