Tag Archives: kaplan

Snippets

Posted on November 2, 2024 by ST Editors

compiled by Arlene & David Kaplan Ion engines could take us to the solar gravitational lens in less than 13 years, suggests paper Sending an object to another star is still the stuff of science fiction. But some concrete missions … Continue reading →

Posted in November 2024, Sidereal Times | Tagged , | Leave a comment

Snippets

Posted on September 28, 2024 by ST Editors

compiled by Arlene & David Kaplan The Sun Will Destroy the Earth One Day, Right? Maybe Not. In six billion years the sun will expand into a red giant. That process should consume Mercury, and maybe Venus. For a long … Continue reading →

Posted in October 2024, Sidereal Times | Tagged , | Leave a comment

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 →

Posted in September 2024, Sidereal Times | Tagged , | Leave a comment

Snippets

Posted on August 6, 2024 by ST Editors

compiled by Arlene & David Kaplan Moon craters with NASA’s Shadowcam When a NASA spacecraft passes over Shackleton Crater on the moon and peers in, it sees this: a sea of blackness and nothing more. This 13-mile-wide crater lies close … Continue reading →

Posted in Mid-summer 2024, Sidereal Times | Tagged , | Leave a comment

Snippets

Posted on June 3, 2024 by ST Editors

compiled by Arlene & David Kaplan Solar Storm Crashes GPS Systems Used by Some Farmers, Stalling Planting The powerful geomagnetic storm that cast the northern lights’ vivid colors across the Northern Hemisphere over the weekend also caused some navigational systems in tractors and … Continue reading →

Posted in June 2024, Sidereal Times | Tagged , | Leave a comment

Snippets

Posted on May 5, 2024 by ST Editors

compiled by Arlene & David Kaplan Glamping With the Stars As I exited Harry Reid International Airport on a bright March afternoon, my hand flew up to protect my eyes, which had grown accustomed to the dull light of a … Continue reading →

Posted in May 2024, Sidereal Times | Tagged , | Leave a comment