Astronomy Briefly

brought to you by Duane Dunkerson

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The recent death of Halton C. Arp prompted me to read this book.

reviewed by Duane Dunkerson



Your Handle On The Night Sky by Daniel E. Pope, 2011.

Fun and awe.

reviewed by Duane Dunkerson




Gravitational Waves: The Shadow Ghosts of Science

Berkeley and Newton/G waves and spacetime/
J. Weber and LIGO/memory and concepts

by Duane Dunkerson



Notes and Comments on Quantum by M. Kumar

Dedicated to quantum cosmologists, wherever you may be

by Duane Dunkerson


Circumpolar North

A fantasy ruined by what rain won't let me see.

by Duane Dunkerson




















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by Duane Dunkerson

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Current Projects

   — TLP
   — Canals of Mars
   — New telescope

Here and There
Water Detected on Dwarf Planet Ceres (
Ceres, of the asteroid belt, has water vapor from heated ice volcanoes. The Herschel Space Observatory's far-infrared detectors recorded the vapor.

Huge Galaxy (Himiko) at 6% the Age of the Universe (ALMA)
The object is three clumps, with halo, spanning 55,000 light years. It has surprisingly little radio emission.

 Oldest Star in Universe is Near the Sun (HuffingtonPost)

HD 140283 is about 13.2 billion years old but is only 190 light years from us.


Another Very Ancient Crater in Iowa (universetoday)

Near Decorah, Iowa, it is a 500,000 million year old crater. Amateur geologist, Jean Young, found unique rock structures there a decade ago.

Back-lit View of Saturn (ciclops)

Space art via the Cassini spacecraft.