Category Archives: October 2024

Waves in the Cosmic Sea

Posted on September 30, 2024 by ST Editors

by S. Prasad Ganti BAO (Baryon Acoustic Oscillation) is a mouthful of an acronym. It interested me because of its relation to our baby Universe. That was a time when our Universe was less than 380,000 years old. With no … Continue reading →

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

Harvest Moon Eclipsed!

Posted on September 29, 2024 by ST Editors

by Lisa Fanning Lunar eclipse photo from 9/17/24 Harvest Moon  Left: 9:31 PM ET partial penumbra eclipsed moonRight: 10:44 PM ET maximum eclipse (partial umbral)iPhone 13 through Swarovski Optik Spotting Scope.

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

Startling Preliminary Results on Dark Energy

Posted on September 29, 2024 by ST Editors

By Rich Sherman “Perhaps, says DESI’s scientists, the density [of dark energy] is changing over time…. If the findings prove true, it would catapult cosmology into a crisis.” –The Economist Every now and then there is an article that makes … Continue reading →

Posted in October 2024, Sidereal Times | 1 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