Глава 3. ... Глубинная дифференциация вещества . В предыдущей главе мы выяснили, что все небесные тела Солнечной системы не являются неизменными на протяжении миллиардов лет, как полагают многие астрономы и небесные механики. ... Итак, первым рабочим веществом в планетной геологической эволюции, по нашему предположению, является углекислота, которая вследствие этого играет в развитии небесных тел великую роль в процессе глубинной дифференциации вещества. ... Происхождение материков и океанов . ...

... Tonight's Sky . ... Observing . ... Observing springtime deep-sky objects with a large telescope . ... Astronomy 101 . ... When you re finished reading this article, refer back to recent issues of Astronomy and carefully read telescope reviews (subscribers can read them online in the Astronomy.com Equipment Review Archive ). ... By doing this, you ll learn what s important to observers when they use a telescope. ... The three main types of telescopes use lenses, mirrors, or a combination of both. ...

... Un tube optique Newton 200/1000 (objectif Г miroir de 200mm de diamГЕtre et 1000mm de focale) avec systГЕme de mise au point de type Crayford aux coulants 2'' (50,8mm) et 1,25'' (31,75mm). Une monture Гїquatoriale NEQ5 . Un trГїpied tubulaire en acier rГїglable en hauteur (71 cm Г 123 cm). 2 oculaires au coulant 1,25'' (31,75mm), Super 25mm (grossissant 40x) et Super 10mm (grossissant 100x). ... Une lentille de Barlow 2x au coulant 1,25'' (31,75mm). En super ETAT COMME NEUF valeur 550в'ѓ . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Sun . ... Stars . ... Space Flight . ... Monthly Sky Notes . ... November . ... By admin November 6, 2013 Posted in: Monthly Sky Notes , November . ... So with a constellation in the night sky named no less than тАШCetus the Sea MonsterтАЩ, for the stargazers among us who enjoy a good seafaring yarn you need look no farther than the heavens for entertainment! ... Hello, IтАЩm Colin, welcoming you to Astronotes, the PlanetariumтАЩs official blog. ...

... Library . ... The New Hampshire Astronomical Society's Library Telescope Program . Marc Stowbridge . ... Our guest speaker this month is Marc Stowbridge, of the New Hampshire Astronomical Society. Marc was the brainchild behind the NHAS Library Telescope Program – an outreach effort to supply user-friendly loaner telescope to local libraries. ... A lifelong interest in amateur astronomy led to his joining the NHAS in 1999. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . Armagh Observatory, 13 October 2015 : Armagh Observatory reports that the next three weeks, from mid-October to the first week of November, will provide an interesting opportunity to observe a "dance" of the brightest planets Venus, Jupiter and Mars in the morning sky towards the East before dawn. ... The attached image shows the view of the morning sky towards the East at 06:00 (BST) on 28th October 2015. ...

The Astronomy Shop . ... Calendar | ... 21st Century Luna - 100 Year Moon Calendar (Laminated Edition) . ... Find the phase of the moon for any date of the 21st century with this detailed graphic. 21st Century Luna shows the phase for every day of every year from 2000 to 2099 - that's all 35,625 days! ... Each order will include a FREE 20th Century Luna - look up the moon phase on your relatives birthdates and other historical dates in the 20th century (while supply lasts). ... www.astronomy.net . ...

SEARCH CNN.com CNNSI.com CNNfn.com The Web . ... CNN.com Asia . ... VICUNA, Chile (Reuters) -- Under a crystalline night sky widely touted as the world's best for stargazing, Sergio Pizarro peered over the edge of the cliff, right into the face of every astronomer's worst nightmare: light. ... Our greatest asset, the clearest skies in the world, was in danger because of the light from the city. ... It protected the sky, people spent less money, and it protected animals and plants as well," said Saa. ...