... Scattered within this cavernous nebula, cataloged as NGC 604, are over 200 newly formed hot, massive, stars. At 1,500 light-years across, this expansive cloud of interstellar gas and dust is effectively a giant stellar nursery located some three million light-years distant in the spiral galaxy, M33. Hyakutake: Comet Atmosphere . ... The atmosphere of a comet comes and goes. ... Yesterday the Mars Global Surveyor project released a new close-up image of a portion of the Cydonia region on Mars. ...

Еще в разделе: (Показать все результаты (>136750) - www.astronet.ru/ )

... 2001 February 16 . Star Forming Region Hubble-X . ... Cataloged as Hubble-X , many skygazers find the appearance of this extragalactic star forming region reminiscent of the most famous stellar nursery in our own galaxy, the Orion Nebula . Hubble-X is intrinsically much brighter than Orion though, and at a distance of 1.6 million light-years it is about 1,000 times farther away. Hubble-X is also about 100 light-years across compared to 10 light-years for the Orion Nebula. ... About APOD | ...

Еще в разделе: (Показать все результаты (>7188) - www.sai.msu.su/ )

• APOD: 2001 February 7 - Distant Open Cluster M103
• APOD: 2011 February 9 - NGC 2174: Stars Versus Mountains
• Kuiper-Oort

... no comet has been observed with an orbit that indicates that it came from interstellar space, . ... From this he proposed that comets reside in a vast cloud at the outer reaches of the solar system. ... Unfortunately, since the individual comets are so small and at such large distances, we have no direct evidence about the Oort Cloud. ... T he Kuiper Belt is a disk-shaped region past the orbit of Neptune roughly 30 to 100 AU from the Sun containing many small icy bodies. ... Small Bodies .. ...

Еще в разделе: (Показать все результаты (>840) - www.iki.rssi.ru/ )

• Comet Introduction

... STScI-PRC95-45a CRUCIBLE OF CREATION: PANORAMIC HUBBLE MOSAIC ZOOMS IN ON MAELSTROM OF STAR BIRTH This spectacular color panorama of the center the Orion nebula is one of the largest pictures ever assembled from individual images taken with NASA's Hubble Space Telescope. ... Though this 2.5 light-years wide view is still a small portion of the entire nebula, it includes almost all of the light from the bright glowing clouds of gas and a star cluster associated with the nebula. ...

Еще в разделе: (Показать все результаты (>3342) - www.naic.edu/ )

• The Pleiades

... Jupiter. ... The time in the table is the mean solar time for the Almaty time zone. ... Almaty and Cholpon-Ata are in the same time zone. h 25 h 36 h 00 h 12 h 24 h 36 h 48 h 12 h 48 m (February 28) m m m m m m m m (March 1) m m m m m m m m m m m m m m m m m m m m 14.92 15.08 15.41 15.44 15.37 15.12 14.92 14.89 14.80 14.78 14.80 14.82 14.85 14.96 14.72 14.72 14.63 14.65 14.77 14.84 15.10 15.43 15.32 15.05 14.90 14.75 14.73 14.70 Bishkek ­ Cholpon-Ata , Kyrgyzstan ...

Еще в разделе: (Показать все результаты (>870) - www.issp.ac.ru/ )

• http://www.issp.ac.ru/iao/2014/booklet/ia14_booklet_en1_page_B08.pdf

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Posted on September 11, 2015 | ... Continue Reading.. ... No Comments Peer deep into the constellation Sagittarius and you will find a spectacular young star cluster and its associated stellar nursery. ... Posted on September 14, 2012 | ... No Comments Our Image of the Month was released to celebrate the 22nd anniversary of the NASA/ESA Hubble Space Telescope and is a striking panoramic look at a stellar nursery which is [ ] . ...

Еще в разделе: (Показать все результаты (>2836) - www.armaghplanet.com/ )

• Nebulae | Astronotes
• Baby stars of NGC 2841 | Astronotes
• Hubble images the spectacular Lagoon Nebula | Astronotes

... STScI-PRC99-05a NICMOS PEERS THROUGH DUST TO REVEAL YOUNG STELLAR DISKS The following images were taken by NASA Hubble Space Telescope' Near-Infrared Camera s and Multi-Object Spectrometer. ... A thin , dark lane extends to the left and to righ t of th e binary, suggesting that a disk or ring o f dusty material encircles the two young stars. ... The young star itself appears as the bright red spot at the corner of the V-shaped nebula. ...

Еще в разделе: (Показать все результаты (>8438) - www.arcetri.astro.it/ )

• http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/ViaLattea/0025.txt
• http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/Edge.txt
• http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/ISM/Carina.txt

... HST . ... Data . ... HST Overview . Overview . ... Retrieving HST Data . ... This FORM is a quick tool for flux conversion between diverse unit systems. ... INPUT FLUX or MAGNITUDE UNITS CLEAR Jy W/m2/Hz W/m2/um W/cm2/um erg/cm2/s/Hz erg/cm2/s/A photons/m2/w/um photons/cm2/s/A AB magnitude magnitude V magnitude U magnitude B magnitude R magnitude I magnitude J magnitude H magnitude K magnitude L magnitude L1 magnitude M magnitude N magnitude Q . ... Enter the Input Flux or Magnitude Value : . ...

Еще в разделе: (Показать все результаты (>19595) - www.stsci.edu/ )

• Extragalactic Cepheid Distances by Calibrated Period - Luminosity-Color
• The Star-Forming Histories of the Nearst Dwarf Galaxies
• HST Call for Proposals

... Its perihelion would occur on April 1, 1997, at which point the comet would be only 0.92 astronomical units from the Sun, just within the orbit of Earth. ... Taken in April 1993, the photo showed the comet over 13 astronomical units from the Sun, well beyond the orbit of Saturn. ... Hale, as in Comet Hale-Bopp, has written a book, Everybody's Comet (available through the ASP Catalog) and coordinated an Internet project, "Hale-Bopp: Live in the American Classroom." ... Anatomy of a comet. ...

Еще в разделе: (Показать все результаты (>1301) - www.astrosociety.org/ )

• ASP: Astronomy Behind the Headlines
• ASP: An Ancient Universe - The Age of Light from the Most Distant Galaxies
• ASP: Guest Observer

... 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! ...

Еще в разделе: (Показать все результаты (>359) - www.badastronomy.com/ )

... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... The Horsehead Nebula in Orion . ... Astronomy 101 . ... Astronomy Day . ... NASAт??s Hubble sees a horsehead of a different color . ... Looking like an apparition rising from whitecaps of interstellar foam, the iconic Horsehead Nebula has graced astronomy books ever since its discovery over a century ago. ... Only registered members of Astronomy.com are allowed to comment on this article. ...

Еще в разделе: (Показать все результаты (>7436) - www.astronomy.com/ )

• The Hubble Space Telescope found a galaxy that was completely formed within 480
• Hubble sees NGC 7090 т?? an active star-forming galaxy | Astronomy.com
• Hubble observes a dwarf galaxy with a bright nebula | Astronomy.com

... Solar System . ... Sun . ... Comets . ... Some get thrown out of the solar system forever, whereas others end up on yet smaller orbits, visiting the inner solar system fairly frequently - such as comet Halley. ... When a comet moves into the inner solar system, this is heated by the Sun, and the ices turn into gas which forms the head or coma of the comet, which may be hundreds of thousands of kilometres across and visible from Earth. The most striking part of many active comets is the tail . ...

Еще в разделе: (Показать все результаты (>3055) - star.arm.ac.uk/ )

• Latest News
• Armagh Observatory
• Armagh Astropark

Supernovae are simply stars which explode. ... To understand supernovae, we need to understand stars. ... In this stage our Sun will swell up hundreds of times its current size, swallowing the Earth, and glowing hundreds of times brighter than it is now. ... Stars more than 10 times the mass of our sun have much more exciting lives. ... A Type II supernova to be precise. ... Since 1995 two teams have been discovering these objects: Our team, the High-Z SN Search, and the Supernova Cosmology Project. ...

Еще в разделе: (Показать все результаты (>1438) - www.mso.anu.edu.au/ )

• Mike Bessell
• THE AUSTRALIAN NATIONAL UNIVERSITY
• Pink Black Holes: Frequently Asked Questions

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 . ...

Еще в разделе: (Показать все результаты (>347) - zebu.uoregon.edu/ )

• Hubble Ultra Deep Field
• Low Surface Brightness Galaxy Gallery
• galaxies, Hubble sequence

8th of February 2016 . The Year of the Monkey . ... The 8th of February 2016 is the first day of the Chinese New Year, the year of the monkey. Overlaid onto the Hubble color-composite image for the Monkey Head Nebula is a pattern of Chinese paper cutting for a monkey. ... The Monkey Head Nebula (NGC 2174) is an HII emission nebula located in Orion and is associated with the open star cluster NGC 2175 about 6,400 light-years away from Earth. Picture credit: ESA/Hubble NASA) . ...

Еще в разделе: (Показать все результаты (>8672) - www.atnf.csiro.au/ )

• ATNF Media Release - November 24, 1998
• The 1000 Brightest HIPASS Galaxies

... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Survey Telescopes . ... Star Clusters . ... Stars@ESO . ... ESO Science Newsletter . ... As we close in on part of the small constellation of Corona Australis we start to see faint clouds and in the final part of the video the full glory of the dramatic star formation region NGC 6729 is revealed in a new image from the FORS1 instrument on ESOтАЩs Very Large Telescope. ...

Еще в разделе: (Показать все результаты (>66667) - www.eso.org/ )

• The hidden fires of the Flame Nebula* | ESO
• Comet Halley
• The star that exploded on February 23 in the Large Magellanic Cloud | ESO

National Aeronautics and Space Administration . ... Bruce McCandless II (Captain, USN, Ret.) NASA Astronaut (former) . ... He was a member of the astronaut support crew for the Apollo 14 mission and was backup pilot for the first manned Skylab mission (SL-1/SL-2). ... A veteran of two space flights, McCandless has logged over 312 hours in space, including 4 hours of MMU flight time. ... With the completion of this flight McCandless logged 191 hours in space (including 4 hours of MMU flight time). ...

Еще в разделе: (Показать все результаты (>2215) - www.jsc.nasa.gov/ )

• Astronaut Bio: Mark C. Lee 10/2006
• Astronaut Bio: Clayton C. Anderson (01/2013)
• Astronaut Bio: John Glenn, Jr. 1/99

Class 1 Introduction, Background History of Modern Astronomy The Night Sky, Eclipses and the Seasons Kepler's Laws Newtonian Gravity General Relativity Matter and Light Telescopes Class 2 Solar System Characteristics Formation Exosolar Planets Class 3 Stars The Sun Stellar Evolution of Low and High Mass Stars Deaths of Stars Exotic Stars Class 4 Galaxies Galaxy Classification Formation of Galaxies Galactic Evolution ... So far, one planet has been studied by this method. ...

Еще в разделе: (Показать все результаты (>621) - www.aaa.org/ )

• AAA Spring Astronomy Class: The Physics of Astronomy тАУ February ? March 2016
• g3-efox8632-m82-e-600-c-35-x1-color-001-ut080815_ep1 ? Amateur Astronomers
• Lecture Series 2009-2010 ? ?Best Targets for Amateur Astrophotography and What

... We report on our ongoing project ``Infrared Study of HII Regions Associated with Small Clouds.' ... These IR data, combined with optical imaging (which will be obtained from the IAC-80 telescope), IRAS survey maps, and existing CO observations of the associated clouds, will allow us to undertake a detailed investigation of the gas-to-dust mass ratio, initial mass function and the star-formation efficiency in these complexes. ... CHECKPSF: check the PSF (Point Spread Function) model, . ...

Еще в разделе: (Показать все результаты (>1404) - www.adass.org/ )

• GIM2D: An IRAF package for the Quantitative Morphology Analysis of Distant

Note that different students may see different quiz forms.) ... Giant stars are rare because . a) they do not form as often as main sequence stars. b) giant stars are unstable. c) the giant stage is very short compared to the main sequence stage. d) elements heavier than helium are relatively rare. In a color-magnitude diagram of a star cluster, the blue end of the main sequence is useful for defining the age of the cluster because . ... 2) Some idea. 3) Good idea. ...

Еще в разделе: (Показать все результаты (>4873) - hea-www.harvard.edu/ )

• Reading Quiz PAUL J. GREEN - ConcepTests
• SAO Summer Intern Program Printable Form
• Martin Elvis' Research: Quasar Structure