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Astronomy Briefly

brought to you by Duane Dunkerson

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Articles
The Messier Album by John H. Mallas and Evered Kreimer and The Next Step:Finding and Viewing Messier's Objects by Ken Graun a book comparison by Duane Dunkerson
A Celestron GOTO Mount - The Missing User's Notes with Astrotime Not Quite Redux by Duane Dunkerson


Shades of Gray by Duane Dunkerson Power outage for matter and energy.
Stonehenge: Lunar and Solar Anonymity in Three Stages by Duane Dunkerson
Mythic ruins in pious decay.. .

Smart Hay by Duane Dunkerson Persnit answered some questions from the aliens. Then we all did. .

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Current Projects

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   — Canals of Mars
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Here and There
Hanny's Voorworp Has Been Found (BBC)
A Dutch schoolteacher, Hanny Van Arkel, has found a strange green gaseous mass. She has been participating in the Galaxy Zoo project and came across an object not easy to classify. It is a light echo from a defunct quasar.
An Organic Molecule Discovered on an Exoplanet (STScI)
The Hubble telescope has been used to find methane and water on a distant planet the size of Jupiter.
A MOND and Eight Dwarfs (RAS)
Modified Newtonian Dynamics (MOND) can accurately account for orbits of eight dwarf galaxies around our Galaxy. The accuracy is greater than what the use of dark matter can produce. A new constant of Nature is required by MOND.

Amateur Finds Fastest Spinning Asteroid (SandT)
Richard Miles, via an Internet hookup to an 80 inch telescope in Australia, found the spin from photometric measurements. 2008HJ spins so fast that it has tossed away anything not securely fastened to its surface.
SELENE Mission Mapped New Details of Moon (JAXA)
The high-definition maps from Japan's SELENE got topographic and mineral information. It found areas of uranium, thorium and potassium that are of special interest.



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