... 2003 December 15 . Open Star Clusters M35 and NGC 2158 . ... NGC 2158 is four times more distant that M35 , over 10 times older, and much more compact as it contains many more stars in roughly the same volume of space. NGC 2158 's bright blue stars have self-destructed , leaving cluster light to be dominated by older and yellower star s. Both clusters are visible toward the constellation of Gemini -- M35 with binoculars and NGC 2158 with a small telescope. ... About APOD | ...

Еще в разделе: (Показать все результаты (>8497) - www.sai.msu.su/ )

• APOD: 2001 December 6 - Comet Linear (WM1) Brightens
• APOD: 2015 December 11 - The Brightest Spot on Ceres
• APOD: 2004 December 8 - In the Center of the Heart Nebula

... Night Lightning on Jupiter . ... Credit Copyright: The Galileo Project , NASA Explanation: Why is there lightning on Jupiter ? ... To create lightning , charges must first separate inside a cloud. On Earth , drafts of colliding ice and water droplets usually create this charge separation, but what happens on Jupiter ? ... Clouds are dimly lit by sunlight reflected off Jupiter's moon Io . ... Publications with keywords: Jupiter - lightning . Publications with words: Jupiter - lightning . ...

Еще в разделе: (Показать все результаты (>166848) - www.astronet.ru/ )

• Another Nearby Supernova in the Whirlpool Galaxy
• GRB 990510: Another Unusual Gamma Ray Burst
• December Moon Meets Evening Star

... December 13, 1997 . The Coma Cluster of Galaxies . ... The Coma Cluster of Galaxies pictured is one of the densest clusters known - it contains thousands of galaxies . Each of these galaxies house billions of stars - just as our own Milky Way Galaxy does. ... In fact, the Coma Cluster is so big it takes light millions of years just to go from one side to the other! Most galaxies in Coma and other clusters are ellipticals , while most galaxies outside of clusters are spirals . ...

Еще в разделе: (Показать все результаты (>8262) - www.arcetri.astro.it/ )

• APOD: December 18, 1999 - Irregular Galaxy Sextans A
• APOD: December 30, 1998 - Supernova 1994D and the Unexpected Universe
• APOD: December 6, 1999 - M83: The Southern Pinwheel Galaxy from VLT

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? ...

Еще в разделе: (Показать все результаты (>605) - www.astronomy.net/ )

This is a series of periodic postings by Terry Moseley of the Irish Astronomical Association . ... Go to latest bulletins . Another Bright Comet? ... Issued 2002 December 31st . ... Issued 2002 December 28th . ... Issued 2002 December 18th . ... Issued 2002 December 8th . ... Public Lecture, IIS etc . Issued 2002 December 2nd . ... Issued 2002 February 22nd . ... Issued 2002 February 17th . ... Issued 2002 February 13th . ... Issued 2002 February 11th . ... Issued 2002 February 10th . ...

Еще в разделе: (Показать все результаты (>2693) - star.arm.ac.uk/ )

• Coronal Bright Points: Another Oscillating Environment
• The Best Sky View of the Year - this afternoon, Monday 1 December 2008 |
• Geminid Meteors

Astronotes Armagh Planetarium's Stellar Blog! ... Stars . ... Monthly Sky Notes . ... This month Jupiter the largest of all planets, remains visible in the sky after sunset, not setting until after 11pm.€а On the evening of 12and 13 December the bright star-like object close to the Moon will be this gas giant planet. ... Rising this month is the great winter constellation of Orion the Hunter who will remain in our night sky through until March. ... Tweets that mention Wonders of the December Sky | ...

Еще в разделе: (Показать все результаты (>2806) - www.armaghplanet.com/ )

• December Night Sky Wonders | Astronotes
• Astronotes | Armagh Planetarium's astronomy news from across the Universe -
• asteroids | Astronotes

... 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" . ...

Еще в разделе: (Показать все результаты (>3) - www.astronomer.ru/ )

... The expansion is measured as a number called the Hubble Constant . ... Our value is about 20% lower than the one got with the Hubble Space Telescope in 1994," said Dr Jim Lovell, leader of the team that made the measurement. The Hubble Constant is named after American astronomer Edwin Hubble, who in the 1920s found that other galaxies were moving away from ours. ... The Hubble Constant links the galaxy's distance with its speed." ... A short run-down on the Hubble Constant: . ...

Еще в разделе: (Показать все результаты (>16388) - www.atnf.csiro.au/ )

• Pulsar Group Main/Visitors
• Brightness Units
• HIPASS Bright Galaxy Catalog

... If I need to observe a field containing bright stars, do I risk damage to the NICMOS detector by saturating it? ... NICMOS . ... Detectors . ... Observing Strategies . ... A.: The NICMOS Instrument Science Reports Number 24 and Number 23 present results of the analysis of persistence from On-Orbit data and Thermal Vacuum data. ...

Еще в разделе: (Показать все результаты (>13789) - www.stsci.edu/ )

• John H. Debes
• The Previous vs. Current Generation: WF/PC-1 vs. WFPC2
• Archive for December

In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...

Еще в разделе: (Показать все результаты (>282) - zebu.uoregon.edu/ )

• Galaxy Gallery Page II

... The Pleiades star cluster, also known as the Seven Sisters and Messier 45, is a conspicuous object in the night sky with a prominent place in ancient mythology . ... The stars in the Pleiades are thought to have formed together around 100 million years ago, making them 1/50th the age of our sun, and they lie some 130 parsecs (425 light years ) away. ... Data for these stars are listed in a table below. ... Yes . ... WEBDA Pleiades cluster data . ... M45: The Pleiades Star Cluster (2007 November 18) ...

Еще в разделе: (Показать все результаты (>2058) - www.naic.edu/ )

• I-GALFA View of a Galactic Tangent Region
• The Arecibo User Manual for Astronomers

... Home Education Workshops at Adorama Astro Imaging Workshop: Planetary Astro Imaging with a DSLR ? December 7, 2014 . ... Astro Answers . ... 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 . ... Presented by€а Adorama€а For the Amateur Astronomers Association of New York . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

Еще в разделе: (Показать все результаты (>623) - www.aaa.org/ )

• Amateur Astronomers Association of New York ? Amateur Astronomers Association
• Lecture Series 2015-2016 ? Amateur Astronomers Association of New