Next: The VizieR System for Accessing Astronomical Data . ... Astronomical catalogues containing from a million up to hundreds of millions of records are becoming commonplace. ... In this paper we describe the results of our pilot project aimed at assessing the feasibility of employing Object-Relational DBMSs for the management of large astronomical catalogues. ... There are many possible approaches to the problem of managing very large astronomical catalogues. ... Range query on coordinates: . ...

... ARTICLE: The Adventurous Search For The Astronomical Unit . ... Kepler himself had suggested to use the rare occasions of Venus transiting (crossing) the solar disk to measure our distance to the planet. ... Due to the orbital inclination of Venus against the ecliptic of 3.5°, a Venus transit is so rare that it happens only at intervals of 121.5 years, 8 years, 105.5 years, 8 years and so on. ... Crabtree witnessing the transit of Venus 1639 . ... Transits of Venus - The Quest for the Solar Parallax...

. This is a new popup window - close it when you are done . Submitted by Mario Motta M.D. on 02/05/2013 20:06:25 . NGC 3178 . An Arp galaxy, distorted by nearby galaxy (out of field), about 42 Million LY away, and just below, a Hickman group of interacting galaxies 400 million LY away . Logon to post a follow-up comment or review comments from others . Copyright (c) Amateur Telescope Makers of Boston, Inc. About Us Contact Us

... Видимий розпод?л галактик. ... Р?зноман?тн?сть в св?т? галактик. ... Особливост? ел?птичних, л?нзопод?бних, сп?ральних та ?ррегулярних галактик. ... Особливост? спектр?в галактик. ... Розпод?л галактик за морфолог?чними типами. ... Особливост? s- та d- галактик Маркаряна. ... Кол?рн? характеристики галактик. ... Особливост? розпод?лу темно? матер?? в E та SO галактиках. ... П?драхунки та просторовий розпод?л рад?огалактик та квазар?в. Рентген?вське випром?нювання в скупченнях галактик. ...

... Asteroid . ... In case you didn't hear about it, which you probably didn't: On Jan. 7, an asteroid 1,000 feet across -- nearly three times the current diameter of Marlon Brando -- barely missed the Earth, which is most likely your planet of residence. ... What if this asteroid had hit the Earth? ... As it happens, the American Astronomical Society was holding a conference in Washington AT THE VERY SAME TIME as the asteroid nearly hit the Earth. ...

IC 348 1 IC 348 IC 348 Hubble image of IC 348 and its surroundings.[ ... References External links · Amateur photography ( http ://www.photonhunter.at/IC348.html) Article Sources and Contributors 2 Article Sources and Contributors IC 348 Source: http ://en.wikipedia.org/w/index.php?oldid=549545123 Contributors : Jmencisom, PatrickHochleitner, RJHall Image Sources , Licenses and Contributors File:Hubble image of LRLL 54361 and its surroundings.tif Source: ...

... Р?С?С?С?Р?Р?Р?Р?РеС?Р?С?Р?РеР? ... Launched on February 17, 1996, the Near Earth Asteroid Rendezvous (NEAR) mission is to be the first of NASA's Discovery missions, a series of small-scale spacecraft designed to proceed from development to flight in under three years for a cost of less than $150 million. ... The ultimate goal of the mission is to rendezvous with and achieve orbit around the near Earth asteroid 433 Eros in February, 1999, and study the asteroid for approximately one year. ...

. Главная страница . и. новиков . МОСКВА ?МОЛОДАЯ ГВАРДИЯ? 1985 . Новиков И. Д. Н73 Черные дыры и Вселенная. ? М.: Мол. гвардия, 1985. ? 190 с., ил.? (Эврика). 50 к. 100000 экз. В книге говорится о совершенно необычных небесных телах открытых учеными в последние десятилетия, о черных дырах, о рождении галактик и туманностей, об отдельных особенностях развивающейся Вселенной. ББК 22.66 . 527 . ВВЕДЕНИЕ . В этой книге рассказывается об открытиях в астрофизике последнего времени ? о черных дырах, о начале