Astronotes Armagh Planetarium's Stellar Blog! ... Planets . ... Our Galaxy . ... Weird and Fun . ... It came from another galaxy: This artistтАЩs impression shows HIP 13044 b, an exoplanet orbiting a star that entered our galaxy from beyond. ... HIP 13044 is one of tens of millions of stars in the тАЬHelmi streamтАЭ, stars that belonged to a dwarf galaxy consumed by our own Milky Way galaxy, some six to nine billion years ago. ... Tweets that mention ESO finds weird doomed planet from another galaxy | ...

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• Astronotes | Armagh Planetarium's astronomy news from across the Universe -
• Other Galaxies | Astronotes - Part 2
• stars | Astronotes - Part 6

... A long time ago, in a galaxy far, far away, billions of stars shone brightly. ... In the photo you can see that the colour of the galaxy is different in the centre and the outer regions. The galaxy looks more yellow and orange towards the centre (astronomers say it is reddish ), while it is blue in the outer parts. ... But when you look up to the night sky, why do most of the stars look white, rather than a dazzling variety of colours? ... So we are only looking at these stars in black and white! ...

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• http://www.eso.org/public/news/eso1429/kids/
• http://www.eso.org/public/news/eso1424/kids/
• http://www.eso.org/public/news/eso1431/kids/

... Our Sun is part of a huge wheel-shaped collection of stars. ... Astronomers have long suspected it was a very massive black hole, and that every galaxy had such a central mass, created early in the history of the universe. ... However, unless that object happens to be headed directly at the black hole (a relatively small target) it will just swing around and fly away again, like a comet making a pass at the Sun. The velocity acquired in falling towards the black hole also helps it escape. ...

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• The Celestial Sphere--lesson plan #1a

... January 8, 2007 . ... SENTINEL CORRESPONDENT . Astronomers at UC Santa Cruz have discovered a surprisingly massive halo of bright, old stars around our galactic neighbor Andromeda, pushing the outer limits of the galaxy to 1.5 million light years, and teaching them how spiral galaxies behave. ... Younger stars may be remnants of a galaxy devoured, but older stars could have formed with the birth of the galaxy. ... http://www.santacruzsentinel.com/archive/2007/January/08/local/stories/03local.htm . ...

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• HST this week: 231
• MSNBC, 23 March 1998
• Dust disk around a black hole in galaxy NGC 7052

... 2005 August 4 . Stars Young and Old . ... Separated by about a degree on the sky, two nice examples are M46 (upper left) 5,400 light-years in the distance and M47 (lower right) only 1,600 light-years away toward the nautical constellation Puppis . Around 300 million years young M46 contains a few hundred stars in a region about 30 light-years across. Aged 80 million years, M47 is a smaller but looser cluster of about 50 stars spanning 10 light-years. ... About APOD | ...

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• APOD: 2009 August 7 - The Star Clusters of NGC 1313
• APOD: 2007 August 9 - Star Cluster Messier 67
• APOD: 2005 August 20 - The Stars of NGC 300

Astronomy Picture of the Day . Open Cluster NGC 6520 from CFHT . ... For the open cluster of stars NGC 6520, every day is like this. On the left of the above picture are many of NGC 6520's bright blue stars. Nearby Spiral Galaxy NGC 4945 . ... For such a close galaxy, NGC 4945 is easy to miss. ... Sunspot Region 30 . ... Looking at the star forming region RCW38 will not normally reveal most of the stars in this cluster. ... Proxima Centauri: The Closest Star . ...

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• M51: The Whirlpool Galaxy in Dust and Stars

M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

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• Astronomy HyperText Book: Fusion Sequences in Stars
• Galaxy Gallery Page IV: The Movies
• Low Surface Brightness Galaxy Gallery

... 2000 August 18 . X-Rays From Antennae Galaxies . ... CXC , SAO , NASA . Explanation: A bevy of black holes and neutron stars shine as bright, point-like sources against bubbles of million degree gas in this false-color x-ray image from the orbiting Chandra Observatory . ... The exploding stars litter the scene with bubbles of shocked hot gas and collapsed stellar cores . ... Tomorrow's picture: X-ray Sky . ... About APOD | ... NASA Technical Rep.: ... A service of: LHEA at NASA / GSFC . ...

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• A Bright Ring Of Star Birth Around A Galaxy's Core (PR98-21)
• APOD: 2000 August 4 - M15: Dense Globular Star Cluster
• APOD: August 7, 1998 - M65 Without Moth

... The Sun . Does anyone know how many stars are there in the solar system? Come take a look at the Sun. See that? ... Did you know all the stars you see when you look up are inside our galaxy! ... Did you know that our Sun and solar system were born in a cloud of gas and dust like this. ... We're looking at a place where stars are being born. ... Sharing the Universe is based upon work supported by the Informal Education Division of the National Science Foundation under Grant no DRL-0638873. ...

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• ASP: An Ancient Universe - The Age of Light from the Most Distant Galaxies
• ASP: Star Science in the Autumn Sky
• ASP: Taking a Grand Virtual Voyage in the Milky Way

... Astronomy news . ... NASA's Spitzer Images Out-of-This-World Galaxy . ... It is spiral-shaped like our Milky Way, with long, spindly arms of stars. The "eye" at the center of the galaxy is actually a monstrous black hole surrounded by a ring of stars. In this color-coded infrared view from Spitzer, the area around the invisible black hole is blue and the ring of stars, white. ... The ring around the black hole is bursting with new star formation. ...

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... Two new LBV stars have been discovered in the Andromeda Galaxy. ... In Figure 1 the spectral energy distributions for six stars are shown: upper row - the newly discovered LBV stars, middle row - two well-known LBV stars Var A-1 and AE And, the lower row - two new B[e]-supergiant stars in Andromeda. ... Infrared spectra of the stars in the Andromeda Galaxy: two classical LBVs Var A-1 and AE And, two new LBVs J004526.62 and J004051.59, and two new B[e]-supergiants J004417.10 and J004444.52. ...

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• New LBV Star Discovered in the Galaxy
• Discovery of an isolated dwarf spheroidal galaxy neighboring the Local Group
• Catalog of the LV Galaxies