Astronomy

The distance scale of the cosmos: This Week in Astronomy with Dave Eicher

Hi folks, tune in every week of 2023 for the best in astronomy from Astronomy Editor Dave Eicher, brought to you by Celestron. Dave’s weekly video series will cover all the latest sky events, ...
Space.com

'Singing' red giant stars could offer another way to measure the universe's expansion

The cosmic distance ladder could soon have another rung. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In around 5 billion years, the sun will ...
SpaceNews

University of Texas Astronomers Achieve Major Improvement in Cosmic Distance Scale with Hubble Space Telescope

AUSTIN, Texas — An international team of astronomers led by Fritz Benedict and Barbara McArthur of The University of Texas at Austin has used Hubble Space Telescope to solve one of the biggest ...
PBS

Measuring the Universe With a 14-Billion Light-Year Ruler

The cosmic distance ladder is the world’s longest ruler, built to measure the universe. Since the time of the ancient Greeks, scientists have been constructing a cosmic measuring tape to measure the ...
Forbes

The Expanding Universe Might Not Depend On How You Measure It, But When

One of the most puzzling facts about the Universe is that different ways of measuring how fast it's expanding yield different results. It's not that there are two ways to measure it and they don't ...