... The Round Earth . 8a. The Horizon . ... 9a. Earth orbits Sun? . ... What is the distance D to the horizon? ... Your line of sight to the horizon is a tangent to the Earth--a line which touches the sphere of the Earth at just one point, marked B in the drawing here. ... From the top of Mauna Kea on Hawaii, an extinct volcano about 4 km high (also the site of important astronomical observatories), the horizon should be about twice as distant, 226 km. ... One more: Distance to the horizon on Mars . ...

... For given geographical longitude and time zone show the current data and time, Universal data and time, current local star time. ... Accept 10 different data formats (data&time, data with decimal day of month, data with decimal day of year, decimal year, some Julian dates), calculate from any formate to others, show day of week. Current data and time direct insertion function is exists. ... Calculate angular distance between two points at the sky by its equatorial coordinates. ...

... GTK_CALENDAR_SHOW_HEADING . ... GTK_CALENDAR_SHOW_DAY_NAMES . ... #include time.h #define DEF_PAD 10 #define DEF_PAD_SMALL 5 #define TM_YEAR_BASE 1900 typedef struct _CalendarData { GtkWidget *flag_checkboxes[5]; gboolean settings[5]; gchar *font; GtkWidget *font_dialog; GtkWidget * window ; GtkWidget *prev2_sig; GtkWidget *prev_sig; GtkWidget *last_sig; GtkWidget *month; } CalendarData; enum { calendar _show_header, calendar _show_days, calendar _month_change, ...

Logon . ... Events . ... Display upcoming events only . ... Event . ... Apr 14, 2016 . From the Great Wall to the Great Collider: China and the Quest to Uncover the Inner Workings of the Universe . Details.. Jun 16, 2016 . ... Click on the calendar row to view more details . Logon to view additional events . Logon to post a follow-up comment or review comments from others . ... Calendar . ... Astro Events . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... Calendars. ... For the sake of economy of place monthes of all calendars have coded: Gregorian and Julian Hebrew Arabic Indian Persian Chinese Jan: January Tis: Tishri Muh: Muharram Cha: Caitra Far: Farvardin 01 Feb: February Hes: Heshvan Saf: Safar Vai: Vaisakha Ord: Ordibehesht ... Rb1: Rabi'a I Jua: Juaistha Kho: Khorad 03 Apr: April Tev: Tevet Rb2: Rabi'a II Asa: Asadha Tir: Tir 04 May: May She: Shevat Jm1: Jumada I Sra: Sravana Mor: Mordad 05 Jun: June Ada: Adar Jm2: ...

The Calendar of Bloody A.tecs. Living in Central Mexico from the XII century to the being of the XVI century warlike A.tecs devoted much time to sciences including astronomy. For needs of agriculture A.tecs, using the knowledge received from the forecomers, developed the exact calendar system. 52 years of the moon-and-the sun cycle formed the basis of it (something like our conception of "a century"). ... A.tecs year was divided into 18 months with 20 days each. ... Mesopotamian astronomy. ...

... Summary page . Return to the Kernel page . ... This article is part of the LWN Porting Drivers to 2.6 series . ... int remap_page_range(struct vm_area_struct *vma, unsigned long from, unsigned long to, unsigned long size, pgprot_t prot); . ... Drivers will almost invariably call remap_page_range() from their mmap() method, where that semaphore is already held. ... int install_page(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long addr, struct page *page, pgprot_t prot); . ...

... Цвет: бежевый . Коллекция: Весна-лето 2016 . ... Куртка утепленная B.Style. ... Сезон: Весна-лето 2016. ... Игровой набор Transformers "Битва трансформеров" привлечет внимание не только ребенка, но и взрослого. ... Победителем становится тот игрок, чей трансформер выбил голову противника. Чтобы начать заново, нужно просто нажать на голову трансформера. ... Трансформеры - разумные роботы со способностью "трансформироваться", то есть менять свое тело из одного режима в другой. ... Цвет: черный . ...

... 2015 - 2016 . ... Eugene Higgins Professor of Astrophysics, Princeton University . ... December 8, 2015 . ... November 10, 2015 . ... University of the Sciences in Philadelphia author . ... Amateur Astronomer . ... 2014 - 2015 . ... June 9, 2015 . ... Digital Planetarium and the 2012 Transit of Venus from Hawaii . 2013 - 2014 . ... International Occultation Timing Association . ... 2012 - 2013 . ... 2011 - 2012 . ... Princeton University . ... Amateur Astronomers Association of Princeton, Inc., ...

... Solar Data: f.e. X-ray . Night Sky Live . ... Heavens-Above: Sky chart, Satellites, Iridiums and astronomical objects For Moscow For SAO Baksan . ... ESO-MIDAS page . ... Tutorials for Astronomy . ... Asteroid and Comet Hazard . ... Observable Comets: This page lists links to orbital elements and ephemerides of (potentially) observable comets. ... Leonid page - a lot of information for years Comets and Meteor Showers . The American Meteor Society . ... North American Meteor Network Home Page . ...

... Research . ... PlanetTreky: Treking the planets at Arecibo . Justin Filiberto, Southern Illinois University . Monday, November 2 @11am . ... Tuesday, November 10 @11am . ... August 2015 . ... Title: Revealing the stratigraphy of Martian volcanic deposits using radar . ... Title: Distribution of Venusian impact crater ejecta . April 2015 . ... Title: Impact craters: An ice study on Rhea . ... Title: The land of fire and ice: Mini-RF searches for subsurface layers on the Moon . ...

. APO Weather Status . Current APO Weather Information . Observing Calendars . Observing Schedules (TBD) . Night Log Form (web form) or (text template) . Archived Night Logs (TBD) . User's Mail Servers . Telescope Closure Policy . IAU Circulars (TBD - restricted to APO) . Catalog of UV and Optical Standards (TBD) . Coming to the Site . Staff Directory . Current Sky Calendar .

... Manual pages are often copyrighted material. ... If these links return an error message, view the page locally instead. cal - display a calendar . ... checknr - check nroff and troff input files; report possible errors . chgrp - change the group ownership of a file . chmod - change the permissions mode of a file . ... comm - display lines in common, and lines not in common, between two sorted lists . compress , uncompress , zcat - compress or expand files, display expanded contents . ...

... Proposed directory for placement: /pub/os2/apps/calendar Your name: Dave Yeo Email address: dave.r.yeo@gmail.com Program contact name: (same) Program contact email: (same) Program URL: https://dryeo@bitbucket.org/dryeo/dry-comm-esr24 Would you like the contact email address included in listings? yes Operating System/Version: Warp V4 or newer Additional requirements: Working Seamonkey 2.21 or Thunderbird 24.8.1 Replaces: (none) ...

... Meteors and Meteorites . ... By admin August 2, 2011 Posted in: August . 13 August 2009: A perseid flashes through the sky (Image credit: Andreas M†ґller via wikimedia.org) . ... Not all meteors are sporadic events, the regular meteor showers occur when the Earth bulldozes through a great swarm of meteoroids drifting in orbit round the Sun. ... They are at their best in the pre-dawn hours, as the face of the Earth turning towards the Sun catches more meteors as the Earth moves through space. ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Investigations of the ionospheric response to strong magnetics storms which are usual for our latitudes, are of great interest. ... In the figure, we present ionospheric parameter dynamics during three perturbed days in July 2000. ...

. General information . 30 March 2009 . First announcement, interactive registration start . 1 June 2009 . Second announcement . 15 June 2009 . Regular registration and abstract submission deadline . 28 September - 1 October 2009 . UNIVERSAT-2009 . 2-4 October 2009 . HANDS-ON SPACE SCHOOL

... English . ... Problems to solve . ... Two stars have the same apparent magnitude and are of the same spectral type. ... A quasar is observed and it is found that a line whose rest wavelenght is 3000 A o is observed at 15000 A o . ... There are two photos of the Moon taken by the same camera mounted on the same telescope (the telescope is placed on the Earth). ... Problem 1 to solve . ... Lines in the spectra of NGC 6543 and its central star: . ... of the International Astronomy Olympiad, . ...

... Киевский клуб любителей астрономии "Астрополис" > . ... For english speaking users (Moderator: LifeIsGood ) . ... Астрономия . ... Жизнь клуба . ... Астрономия в Украине . ... Любители и профессионалы. ... Бердянское общество любителей астрономии "ОРИОН" . ... Одесское общество любителей астрономии ?АСТРОДЕС? Портал белорусских любителей астрономии - BelAstro.Net . ... Dear English speaker .. ... 22 Март 2010, 13:22:36 . ... Showing Apollo 13 Tonight, Documentary on Same Topic Next Week . ...

This form calculates which transits of the 1039 known transiting exoplanets are observable from a given location at a given time. Specify a time window, an observing location (either an observatory from the list or choose "Enter latitude/longitude" at the end of the list), and optionally any filters (e.g. minimum transit depth or elevation). The output includes transit time and elevation, and links to further information about each object, including finding charts and airmass plots. ...