Monthly Archives: September 2024

Book Review

Posted on September 3, 2024 by ST Editors

by Rich Sherman Title: Under Alien Skies Author: Philip Plait Ph.D.  Publisher: W. W. Norton & Company Publication Date: May 2024 Grade:  B+ Hardback $16.04, Paperback $16.38 on Amazon Total Pages: 336 This is a fun book. The author takes … Continue reading →

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Flavors of Gravitational Waves

Posted on September 3, 2024 by ST Editors

by S. Prasad Ganti In 2015, gravity waves were detected by LIGO (Laser Interferometer Gravitational-wave Observatory) from the locations at Louisiana and Washington states. This proved one of the significant predictions of Einstein’s General theory of relativity. Generated by very … Continue reading →

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Life and the Universe

Posted on September 3, 2024 by ST Editors

by John Church Here is one of the best-framed and most evocative eclipse photos I’ve ever seen.  This was taken by a college friend (Meganne Skoug) of my granddaughter Nora. They were in Monroeville, Indiana, not far from the edge … Continue reading →

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September 2024 Sidereal Times Astroimaging

Posted on September 3, 2024 by ST Editors

by Michael DiMario, AAAP Astroimaging Chair We begin a new astroimaging season with this edition of the Sidereal Times. The image below by AAAP astroimager Daniel Mints accessed a remote observatory, Starfront https://starfront.space with his own systems. The relatively inexpensive … Continue reading →

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Snippets

Posted on September 3, 2024 by ST Editors

compiled by Arlene & David Kaplan Mining for Neutrinos, and for Cosmic Answers Every morning, two dozen miners and engineers pack into a cage-like elevator for an 11-minute descent into the bowels of South Dakota’s Black Hills. At the bottom, … Continue reading →

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