... Tonight's Sky . ... The Magazine . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Bright planets meet at dusk . ... Astronomy magazine subscribers can read the full article for free. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....

... Astronomer Bill Keel took the picture earlier this month (July 7) while standing near the summit of Hawaii's Mauna Kea contemplating the sky in the direction of the center of the Galaxy (right of picture center). ... Many famous emission nebulae are visible as reddish patches - M16, the Eagle nebula , is just above and right of center, with the Horseshoe nebula, M17, just below it and farther to the right. ... The much anticipated comet Hale-Bopp is also clearly visible. Where's the comet? ...

... March 31, 1997 . NGC 3242: The 'Ghost of Jupiter' Planetary Nebula . ... WFPC2 , HST , NASA . Explanation : It's a weed , it's Jupiter , no it's - actually planetary nebula NGC 3242. ... NGC 3242 is such a planetary nebula, with the stellar remnant white dwarf star visible at the center. This nebula is sometimes called "The Ghost of Jupiter" for its similar appearance to the familiar planet. NGC 3242 is much farther away however, than the measly 40 light-minutes distance to Jupiter . ...

... Gallery . ... AAA Fall Astronomy Class: Astronomy Basics тАУ October-November 2015 . ... Clear Sky Chart . ... This MonthтАЩs Sky тАУ April 2015 . This MonthтАЩs Sky тАУ May 2015 . This MonthтАЩs Sky тАУ June 2015 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

... October 9, 1997 . Hale-Bopp and the North American Nebula . ... Explanation: Comet Hale-Bopp 's recent encounter with the inner Solar System allowed many breath-taking pictures. Above, Comet Hale-Bopp was photographed on March 8th in the constellation of Cygnus . ... The North American Nebula is about 1500 light years away, much farther than the comet, which was about 8 light minutes away. ... About APOD > . ...

... Главная . ... Новости . ... Проекты . Любителям астрономии . Проект ISON . ... Подробнее . ... Категория: Новости проекта ISON . ... Метки: Космический мусор ,љ Астероиды ,љ Гамма-всплески ,љ Любителям астрономии ,љ Кометы љ . ... Метки: Космический мусор ,љ Астероиды ,љ Любителям астрономии љ . ... Новости обсерваторий проекта] - Обсерватория Кубанского государственного университета от Иванов А - 09.04.2016 11:08:49 . ... 1999-2013 Copyright "Астрономия и Телескопостроение" . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Earth Satellites . ... Monthly Sky Notes . ... By admin March 5, 2013 Posted in: March , Monthly Sky Notes . ... It has been a hard object not to spot due to its intense brightness in the constellation of Taurus following the beautiful bright star Aldebaran across the sky, and although Jupiter has been mentioned a lot recently in the night sky Astronotes this month will provide a particularly exciting view of the solar system record breaker. ...

... Bad Astronomy . ... Mad Science . ... Site Info . ... Public Talks . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Who is this guy who calls himself "The Bad Astronomer?" ... First, yes, I am a real live astronomer (when people ask me what astronomers do, I tell them "They astronom !" ... These are emitted by powerful objects like black holes, exploding stars, and super-dense neutrons stars. ... Finally, am I really a bad astronomer? ... 2008 Phil Plait. ...

... The planets are still growing slowly as comets and meteoroids collide with them. ... In the 1950s, American astronomer Fred Whipple suggested that comets are dirty snowballs: clumps of ice mixed with interplanetary dust. ... For most of its orbit, a comet remains far from the Sun, little more than the dirty snowball that it is -- what is usually called a bare nucleus. ... As Comet Hyakutake approached the Sun, jets of dust erupted from the Sun-facing side of its nucleus. ...

... Fig. ... One of these is a pink-coloured solar prominence, a tongue of incandescent hydrogen gas spewing out of the obstructed solar disc, visible at the 2 o'clock position. ... Such an eclipse was predicted to be visible from deep within the Asian continent on the 1st August 2008. ... A pink-coloured prominence was visible right from the onset (Fig. 1), while several streamers appeared to emanate from the obstructed solar disk throughout the event (Fig. ... Last Revised: 2008 September 8th . ...

I was wondering what conditions should be met to have the "darkest" sky .. ... Upon the above publication of the Southern Galactic hemisphere, TunГ Tezel started seeking opportunities to create the Northern counterpart image. ... So, the initial quest of having the darkest possible sky have delivered us these two all-sky images of the two galactic hemispheres as seen from Planet Earth. Zoomable and 'full-screenable' fisheye view of the "darkest sky" Southern Galactic Hemisphere image. ...

W HEN GALILEO used his homemade telescope 400 years ago to view mountains on the Moon, satellites circling Jupiter, and a myriad of stars in our Milky Way Galaxy, he launched a revolution that changed our view of an Earth-centered universe. The launch of NASA's Hubble Space Telescope aboard the space shuttle Discovery 15 years ago initiated another revolution in astronomy. ... Before Hubble was launched, astronomers had been trying for several years to pin down the universe's age. ...

... Archives . ... People . ... But it has general description to become a good person and scientist . To Become a Good Astronomer . ... Some) aggressiveness and self-confidence are good things to have, and you should for instance not hesitate to insist that promises which have been made to you be kept. ... Tags: astronomers , good . ... Comment ( RSS ) | ... Entries RSS . Comments RSS . ... General comments . ... nestor on People . ... Chandra Blog . ... Entries (RSS) and Comments (RSS) . ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... les plus belles images de l'Univers d†йcrypt†йes pour vous . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Les ast†йro†пdes percutent Jupiter plus souvent que pr†йvu . ... Sur Terre, une collision avec un ast†йro†пde d'environ 10m de diam†иtre a lieu en moyenne une fois tous les dix ans. ... Etat du ciel . ...

Photon Scattering: Basic Principle of Photon Scattering . Audio Narration is available . No Scattering: Photon Source and Detector . ... For optical photons, scattering goes as wavelength to the -4 power. In the case of blue photons compared to red photons, this means that blue photons are about 10 times more likely to get scattered than red photons. ... Watch the blue photons scatter away from the detector . ... Interstellar dust make stars appear redder than they really are . ...

Astronomy Articles . Articles | ... Moon | ... Astronomy Binoculars - The Skies The Limit - by Scott Gray, September 2006 . ... Astronomy Terms - To Help You Study The Universe - by Scott Gray, October 2006 . ... Himalia is the only moon other than Europa, Ganymeade, Callisto and IO visible with small telescopes. ... The Harvest Moon refers to the Full Moon that comes closest to the autumnal equinox, or the first day of autumn. ... Think the study of stars is best left to professional astronomers? ...

... Общероссийская неделя "Астрономия на тротуаре" - 15-17 апреля . ... Практическая астрономия ? Астрономия и компьютеры (Модераторы: Deimos , Ed_Vazhorov ) ? Спутники в StarryNight . ... Сообщений: 316 . Рейтинг: +30/-0 . Ответ #20 : 01.10.2006 [16:05:07] ? ... Записан . ... Цитата: Astronomer от 01.10.2006 [15:11:09] Я так и делал, но спутники некоторые не появились. ... Цитата: Jupiter от 01.10.2006 [20:50:10] спутники уже небось на другой стороне планеты будут от расчетов . ...

Astronomers Detect Coolest Radio Star . ... The new radio-star is much smaller and colder than our Sun.€а With a surface temperature not much higher than that of a giant planet, and a size comparable to JupiterтАЩs, it is scarcely visible in optical light.€а Yet the radio flares seen at Arecibo show it must have a strong magnetic field, implying that the same could be true of other similar stars. ...

The giant planet Jupiter has four large moons, discovered by Galileo and visible through good binoculars. ... A dynamo is created in a magnetic field by an electric circuit, part of which is moving relative to the rest (additional conditions must also be met). ... Furthermore, the plasma between them conducts electricity very well along its magnetic field lines, which act as if they were wires connecting Io and the planet (drawing). ... Exploration" home page (index) Glossary . ...

... Auroral Currents . ... 25b. Io Dynamo . ... Aurora from Space . ... The giant planet Jupiter has four large moons, discovered by Galileo and visible through good binoculars. ... A dynamo is created in a magnetic field by an electric circuit, part of which is moving relative to the rest (additional conditions must also be met). ... Furthermore, the plasma between them conducts electricity very well along its magnetic field lines, which act as if they were wires connecting Io and the planet (drawing)....