Astronotes Armagh Planetarium's Stellar Blog! ... Solar System . ... Monthly Sky Notes . ... By admin January 21, 2011 Posted in: Robot Exploration . A UFO hovers in the Martian sky (Image credit:NASA/JPL) . The car-sized Mars Science Laboratory Curiosity is too heavy to slam into the rocky plains of Mars encased in airbags like its predecessors, so this imaginative and complex system was devised instead. ... Is there a video anywhere on the internet of a test of the ?sky crane? rockets? ...

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• Red dwarfs: The most important stars in the Universe | Astronotes
• ESO finds weird doomed planet from another galaxy | Astronotes
• WLM Galaxy: a Cosmic Living Fossil | Astronotes

PhD Thesis (PDF) . ... The evolution of stars and gas in galaxies. Observing the atomic neutral hydrogen (HI) 21 cm emission and radio continuum emission of galaxies. ... The goal of research is to quantify the neutral atomic hydrogen (HI) gas content galaxies as they evolve with time. ... Neutral atomic hydrogen gas produces a radio signal that can be used to directly measure the amount of gas present. ... USyd Summer Research Scholarship Report (PDF) . ... Research Topic Write Up (PDF) . ...

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• Research Interests

... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Parkes | ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... The first claim that HI could be associated with a dSph-like system was for the dIrr/dSph system Phoenix (Carignan, Demers & CУДtУ? ...

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• Information on planets
• A new twist to polar rings
• ATNF Media Release - November 24, 1998

... Triton: Neptune's Largest Moon . ... The Frothy Milky Way . ... Astronomers have discovered that looking at dust along the plane of our Milky Way Galaxy is a bit like looking into a frothy glass of beer. The dust between stars in our galaxy appears.. ... Polaris: The North Star . ... Polaris is quite an unusual star. First, Polaris is the nearest bright star to the north spin axis of the Earth. Therefore, as the Earth turns, stars appear to rotate around Polaris, making it the North Star. ...

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. Go Here for Hubble Ultra Deep Field . ___________________________________________________________________ The Electronic Universe Project e-mail: nuts@moo.uoregon.edu

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• The Galaxy Gallery: Messier Objects
• Galaxy Gallery Page II
• Low Surface Brightness Galaxy Gallery

... Science/Nature | Vast halo extends galaxy's size 4/1/08 10:56 PM 08 Jan 07 12:23 Science/Nature Go Vast halo extends galaxy's size By Paul Rincon Science reporter, BBC News, Seattle Astronomers have found an enormous halo of stars around the Andromeda galaxy. ... In fact, Andromeda's "suburbs" are so vast that they nearly overlap with those of our own Milky Way galaxy. ... Andromeda is a spiral galaxy similar to the Milky Way. ... Science/Nature ) 'Alien' stars invade Milky Way (26 Sep 03 | ...

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• Mid-infrared spectroscopy of the Andromeda galaxy
• DEEP Keck Survey of Field Galaxies Imaged by HST
• BBC NEWS | Science/Nature | Vast halo extends galaxy's size

... Kepler stars and planets are bigger than previously thought . ... In a new study using the National Optical Astronomy Observatory s (NOAO) Kitt Peak National Observatory Mayall 4-meter telescope, observations of a large sample of stars with candidate planets identified by the NASA Kepler mission have revealed that many of the stars, and hence their planets, are actually somewhat larger than originally thought. ... Only registered members of Astronomy.com are allowed to comment on this article. ...

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• Are elliptical galaxies much younger than previously thought? | Astronomy.com
• Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,
• I have always heard that everything we see is "star stuff" from previous stars

Next: Stealth Comets Up: W.M. Napier Previous: W.M. Napier Contents . ... If material ejected from the Earth contains microorganisms and spores, the question arises whether life may be carried from planet to planet within the solar system. ... However, the solar system is tiny on the scale of the Galaxy, and it has generally been thought that the transfer of life between stars is impossible -- the microorganisms would be destroyed by cosmic rays, ultraviolet light and so on. ...

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• FETTU - Page 1
• J.E. Chambers, Research Astronomer
• C.J. Butler, Research Astronomer

... Bojan Nikolic web pages (r. 329) . Galaxy Evolution . ... By comparing narrow band spectral line indices with recent models of simple stellar populations (SSPs) we investigate trends in the star formation history as a function of galaxy mass (velocity dispersion), density of environment and galactic radius. ... MJD of the SDSS observation of the galaxy . ... The history of star formation and mass assembly in early-type galaxies . ... Copyright 2005 -- 2016, Bojan Nikolic feedback welcome ...

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• A gallery of interacting galaxies Bojan Nikolic web pages (r. 329)
• RNested тАУ Nested Sampling in R analysis of spectra Bojan Nikolic web pages
• Paper II: Spinning dust in galaxies Bojan Nikolic web pages (r. 329)

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. ...

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• Astronomers Detect Coolest Radio Star National Astronomy and Ionosphere Center
• REU Science Area
• Ionization and the Detection of Low HI Mass Galaxies

... May 5, 1996 . Planet Near a Galaxy Core . ... Explanation: What would the night sky look like if you lived on a planet near the center of a galaxy? Now imagine that this galaxy houses a black hole billions of times more massive than a star. ... Results indicate that a disk of dust 800-light years wide surrounds the black hole. ... However, friction with the dust and gas would cause planets near the black hole to spiral in and disappear forever. ... About APOD | ... NASA Technical Rep.: ...

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• APOD Index - Galaxies: Clusters of Galaxies
• APOD: December 1, 1998 - Cepheus 1: Nearby Galaxy Hiding
• APOD: 2003 July 9 - HD70642: A Star with Similar Planets

... General information . ... Staff . Research staff . Technical, administrative & librarian staff . ... Staff in alphabetic order . Research . ... Technical reports . Projects . ... General interest seminars . ... IT Services . ... Information . Resources and catalogs . ... Historical highlights . Historical research . Historical archive . ... Projects and events . Online resources . ...

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• Galaxy archaeology over the last 7 billion years
• A homogeneous chemical analysis of the inner Galactic disk from the first data
• INAF - Arcetri Astrophysical Observatory

... There has been a heated public discussion in the past few years about whether our ninth planet is really deserving of the name. Since Pluto orbits a star, and is much less luminous, it certainly satisfies the definition we have above. The problem is actually not with Pluto, but with a very large number of other bodies in our Solar System which also satisfy this definition, but which are not called planets. Perhaps the most notable of these is Ceres, the largest asteroid. ... Planet . ...

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• ASP: An Ancient Universe - Overview
• ASP: An Ancient Universe - The Age of Light from the Most Distant Galaxies
• ASP: Education Newswire

. Update is coming soon.

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Next: Conclusions Up: HS 0822+3542 - a Previous: H I and dynamical . The properties of HS 0822+3542 presented above (extremely low abundance of heavy elements, very blue colour of underlying nebulosity, and extremely small mass ratio of stars to neutral gas) suggest that this could be the nearest candidate young dwarf galaxy forming its first stellar generation. ... Next: Conclusions Up: HS 0822+3542 - a Previous: H I and dynamical Labaratory "Structure" . ...

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• Absorption-line galaxies
• Accuracy of data, comparison with independent measurements
• Absorption line galaxies

... 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. ...

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• Phil Plait's Bad Astronomy: Bitesize Astronomy
• Phil Plait's Bad Astronomy: Bad News
• Phil Plait's Bad Astronomy: Q and BA

... Science . ... Science Users Information > Science Activities > PhD Thesis Topics offered by ESO Faculty Members . ... Science Users Information . ... Data Handling and Products . ... Science Data Products Forum . ... ESO Data . ... ESO Data Access Policy . ... ESO Science Newsletter . ... ESO astronomers often are working on scientific programmes and data sets that are suited for PhD theses. This page gives an overview over what is currently offered by Faculty astronomers. ... Thesis topic . ...

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• The Browne & March? Effect
• Stars and Galaxies
• Colours and magnitudes

... The sample of the Local Volume galaxies (distance smaller than 10 Mpc) gives a unique opportunity to study the properties of galaxies including the weakest objects: the absolute magnitude M B -10 and the virial mass M vir 10 9 M x263C;. ... Luminosity function of the Local Volume galaxies. ... The luminosity functions for galaxies are presented: red dashed line - from the 2dFGRS survey (Norberg et al. 2002); blue dash-dotted line - from the SDSS survey (Blanton et al. ...

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• Measurement of the dark halo shape in polar ring galaxies
• Metagalaxy sector, archive 2010
• RCJ0311+0507

Next: Characteristics of the Up: The Epsilon Aurigae Previous: The Epsilon Aurigae . ... Epsilon Aurig? is an F0 Ia star with an enigmatic companion which partially eclipses the visible star for 2 years every 27.1 years. ... The eclipse light curve has a long, flat minimum (Figure ), implying that the secondary is not appreciably convex. ... We develop hydrostatic models for the Aurig? secondary in Section D.3 and present synthetic eclipse light curves calculated using these models in Section D.4. ...

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• The galaxy M100
• Correlating Spectral Data with Spatial Gain Variations
• The AstroStat Slog Blog Archive Survival Analysis: A Primer

Next: Critical Frequencies and Gravitational Previous: Extragalactic Gravitational Wave Background . The number of binaries per frequency decade per solid angle from a separate stellar system (galaxy or cluster of galaxies) is . ... For example, for the Andromeda galaxy M31 ( rad, ) one gets . ... If the angular size of the galaxy is less than the angular resolution of the detector, the critical frequency is independent of the angular resolution, . ...

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• Introduction
• Structure of the Galaxy
• Effect of sources evolution on