... If you had x-ray vision, the central regions of our Galaxy would not be hidden from view by cosmic dust clouds. ... Low clouds are seen in silhouette against the first hints of sunlight, while two famous cosmic clouds, the Clouds of Magellan, also hover in the brightening sky. Horse Head Shaped Reflection Nebula IC 4592 . ... An Erupting Solar Prominence from SOHO . ... In this beautiful celestial still life composed with a cosmic brush, dusty nebula NGC 2170 shines at the upper left. ...

... 2006 August 9 . Magellanic Morning . ... Low clouds are seen in silhouette against the first hints of sunlight, while two famous cosmic clouds, the Clouds of Magellan , also hover in the brightening sky. The Small Magellanic Cloud (SMC, upper right), and the Large Magellanic Cloud (LMC) are prominent wonders of the southern sky, named for the 16th century Portuguese explorer Ferdinand Magellan . ... The SMC is about 210,000 light-years and the LMC about 180,000 light-years away. ...

... ESO, the European Southern Observatory . ... ESO's Governing Bodies . ... Travel and Contacts . Travel to ESO Headquarters . ... Green ESO . ... Survey Telescopes . ... Star Clusters . ... Stars@ESO . ... View shopping cart . ... ESO 3.6-metre telescope . ... MPG/ESO 2.2-metre telescope . ... ESO 1-metre Schmidt telescope . ... VST . ... The glowing jumble of gas clouds visible in new image make up a huge stellar nursery nicknamed the Prawn Nebula. ... Milky Way : Nebula : Type : Star Formation . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Nebulae . ... Telescopes and Observatories . Space Flight . ... Posted on July 28, 2015 | ... These are M8 and the Lagoon Nebula. ... Continue Reading.. Posted on August 20, 2013 | ... Posted on February 21, 2013 | No Comments A new image from the European southern ObservatoryтАЩs Visible and Infrared Survey Telescope for Astronomy €а(VISTA) telescope reveals the glowing clouds of gas and filaments of dust surrounding hot young [ ] . ...

... August 6, 1998 . Infrared Horsehead . ... Explanation: This famous cosmic dust cloud was imaged in infrared light by the European Space Agency's Infrared Space Observatory (ISO) satellite. The false-color picture shows the bright infrared emission from dust and molecular gas in part of the Orion star forming region surrounding the Horsehead Nebula . In visible light, the horsehead-shaped dust cloud looks dark against a background of bright glowing gas. ... About APOD > . ...

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 . ...

... The Magazine . ... Observing . ... Magazine . ... Star Atlas . ... An artificial comet holds secrets to Earths life . ... stars . ... Observing Podcasts . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . Springtime observing for small telescopes . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Click here to receive a FREE e-Guide exclusively from Astronomy magazine. ... Astronomy Magazine . ...

U nlike the other small bodies in the solar system, comets have been known since antiquity. There are Chinese records of Comet Halley going back to at least 240 BC. ... W hen they are near the Sun and active, comets have several distinct parts: . ... A comet whose orbit takes it near the Sun is also likely to either impact one of the planets or the Sun or to be ejected out of the solar system by a close encounter (esp. with Jupiter). ... more comet images . ... Comet Hale-Bopp (C/1995 O1) . ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . Comet C/2011 L4 (PANSTARRS) on 2012 August 9th. ... A new comet, called C/2011 L4 (PANSTARRS), is expected to become visible for a few weeks from approximately 10th March in the western sky after sunset. The comet has come from the Oort cloud, which comprises a vast swarm of comets surrounding the solar system and extending more than halfway to the nearest star, that is more than two light years from the Sun. ...

The Spectrograph for Photometric Imaging with Numeric Reconstruction sounding rocket experiment was launched on 2000 August 4 to record far-ultraviolet (912-1450 У?) spectral and spatial information for the giant reflection nebula in the Upper Scorpius region. ... These flux measurements were used to constrain a radiative transfer model and to determine the dust albedo for the Upper Scorpius region. ...

... Aug 2nd, 2010| 05:21 pm | ... There is an ambitious project afoot to build a 3D map of a meteor stream during the Perseids on Aug 11-12. ... I would be especially interested in your comments on the statistical technique I propose to use in analyzing the data. ... Tags: Announcement , Aug 2010 , August , meteors , modeling , Perseids , spatial-temporal modeling . ... Posted by chasc . ... Tags: 2010 , Announcement , astronomical data , astrostatistics , Aug 2010 , August , Computational , workshop . ...

... 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) ...

From the Tunguska Space Body to the Evolution of the Protoplanetary Nebula . ... A model for the structure of comet nuclei is proposed based on the results of the investigations of carbonaceous substances from the epicenter of the Tunguska cosmic body (TCB) explosion. ... Editorial note: This paper suggests several new ideas about the solar nebula and the formation and composition of comet nuclei based on investigations of the Tunguska event. ...

... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Slacker Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Life Under the Moon . ... Seeing Jupiter's Moons . ... Time Zones and the Spherical Earth . A Companion to the Earth? ... December 19, 1999) . ... Big Moon, Little Moon . ... How Big is the Moon? ... 14, 2000) . ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! Talk about Bad Astronomy on the BA Bulletin Board! ...

... Articles | ... Forums . ... 230 deg . 49 deg . ... 130 deg . ... More Info . ... 210 deg . ... 168 deg . ... 249 deg . ... 195 deg . ... 271 deg . ... 110 deg . ... 338 deg . ... July 15 . 247 deg . ... 224 deg . ... 340 deg . ... July Phoenicids (PHE) . ... August 10 . 341 deg . ... 339 deg . ... 307 deg . ... 334 deg . ... 335 deg . ... 286 deg . ... 327 deg . ... 262 deg . ... 102 deg . ... 153 deg . ... 117 deg . ... December 2 . ... 123 deg . ... 100 deg . ... www.astronomy.net . ...

... The awsome spectacle of a brilliant comet, with its long ghostly tail streaming behind it, is a rare event. ... Only one other comet, Comet Halley, was seen so far from the Sun, giving scientists an opportunity to watch it as it slowly warmed up and sprouted a tail. ... Comets are the Rip Van Winkles of the solar system -- mini-worlds that have changed little during their 4.5-billion-year nap far from the Sun. ... Observing Comets . ... Once, comets inhabited the entire solar system. ...

Cosmic Masers Chris Phillips CSIRO / ATNF What is a Maser? Microwave Amplification by Stimulated Line Emission of Radiation Emission · Microwave version of a LASER · Occur astronomically in gas around young Maser and evolved stars , the centre of AGN, Emission supernova remnants, protoplanetary nebula and comets Caswell, et al 1995 MNRAS 272 Common Species · OH 180mm: 1612, 1665, 1667, 1720 MHz 63mm: 4750 4765 MHz 50mm: 6035 6030 MHz · H2O 13mm: 22.235 GHz 3mm : 96.261 ...

... Astronomy news . ... Double Engine Fuels Star's Remarkable Nebula . ESO has just released a stunning new image of a field of stars towards the constellation of Carina (the Keel). ... Interactions in this double system, surrounded by a dusty disc, may be the engine fuelling the star s remarkable nebula. The new image, showing a very rich field of stars towards the Carina arm of the Milky Way, is centred on the star HD 87643, a member of the exotic class of B[e] stars [1]. ...

... Telescopes . ... The International Conference "Dark Ages and White Nights (Spectroscopy of the CMB)" (June 20-24, 2016) . ... The International Conference "Stars: from collapse to collapse" (October 3-7, 2016) . The traditional annual competition conference of scientific and scientific-engineering papers of the Observatory staff members . ... A session of the Dissertation Council (October 16, 2015) . ... International scientific conference "Large Optical Telescopes" (October, 10-13, 2011) . ...

... August 4 . ... 10:30 R. Gredel - Interstellar molecules and diffuse bands inside and outside our Galaxy . ... 11:45 J. Krelowski - Diffuse interstellar bands vs. rotational temperatures of simple molecular species . 12:30 G. Galazutdinov - Polarization in diffuse interstellar bands . ... 15:30 Excursion to BTA . ... 13:15 N. Cox - The (extra)Galactic diffuse interstellar medium: dust, molecules, and diffuse bands . ... 10:00 D. Wiebe - Formation of molecules in interstellar clouds . ...