Author Archives: ST Editors

The Unchecked Growth of Orbital Debris

Posted on January 3, 2026 by ST Editors

by Abhinav Sukla I don’t think it would be wrong to label the current era as the early dawn of the space age. Hardly half a century has passed since the first rockets left our atmosphere. Even in the early … Continue reading →

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Impact of Relativity on the Hubble Equation

Posted on January 3, 2026 by ST Editors

by William H. Davis The Hubble equation  v=Ho/dv= H_o/d is commonly used to estimate distances to distant objects emitting light. The observations by a number of astronomers, even before Hubble, recognized a relationship between velocity and distance of nearby objects. … Continue reading →

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Snippets

Posted on January 3, 2026 by ST Editors

compiled by Arlene & David Kaplan Did Astronomers See a Star Explode Twice? Astronomers may have spotted their first superkilonova — a star that’s exploded not once, but twice. When massive stars die, they detonate in a celestial fireworks display known as … Continue reading →

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From The Director

Posted on December 2, 2025 by ST Editors

by Rex Parker, PhD director@princetonastronomy.org December 9, 2025 Meeting at Peyton Hall.  December’s winds whirl over the ivy-covered gothic spires and gleaming contemporary towers on the Princeton University campus, where we’ll meet for our final session of the calendar year … Continue reading →

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From The Program Chair

Posted on December 2, 2025 by ST Editors

by Victor Davis, Program Chair The Universe in a ComputerThe December, 2025 meeting of the AAAP will take place in Peyton Hall on the campus of Princeton University on Tuesday, December 9th at 7:30 PM. As usual, the meeting is … Continue reading →

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Observatory Report

Posted on December 2, 2025 by ST Editors

by Dave and Jennifer Skitt, Observatory Co-Chairs Solar Observing on November 29, 2025 Upon hearing of the Grand Re-Opening of the Nature Center in Washington Crossing State Park on Thanksgiving weekend, I wondered what AAAP could do to entice park … Continue reading →

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From The Astrophotography Group

Posted on December 2, 2025 by ST Editors

by Michael DiMario, Astrophotography Chair Bubble Nebula NGC7635 taken by Michael DiMarioTelescope:       Celestron C9.25 Edge HD at FL 1645mm f7.0Mount:             Losmandy GM811GExposures:       229 subframes @ 300 sec each over 5 nights for 19 hours of integration; ASI2600MC-P; Optolong L-Ultimate filterProcessing … Continue reading →

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The Perfect Machine

Posted on December 2, 2025 by ST Editors

by S. Prasad Ganti “The Perfect Machine” is the name of a book written by Ronald Florence. It covers the design, construction and the installation of the 200 inch Hale telescope at the Mount Palomar observatory, close to San Diego … Continue reading →

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Snippets

Posted on December 2, 2025 by ST Editors

compiled by Arlene & David Kaplan Fighting for ‘The Right to Night’ Under Starry, Rural Skies On a Saturday in September in Michigan’s Upper Peninsula, a dozen people navigated through the woods to the shore of Lake Superior, where the … Continue reading →

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From The Director

Posted on November 4, 2025 by ST Editors

by Rex Parker, PhD director@princetonastronomy.org November 11, 2025, Meeting on Campus.  With the close of a very successful season of public observing nights at Washington Crossing Observatory, our main venue for several months will be the evening meetings at Peyton … Continue reading →

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