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Do galaxies spin
Monday, May 19, 2025 by Richard Harris
On a clear night, under the sweep of the Milky Way, one might gaze at the faint blur of the Andromeda Galaxythrough a telescope. It appears as a misty spiral, majestic yet eerily still. This leads to a profound question: do galaxies truly spin and move, or are those swirling shapes merely ...
NASA honors Hubbles discovery of a new universe
Monday, January 27, 2025 by Russ Scritchfield
At the beginning of the 20th century, astronomers were perplexed by the vast number of nebulous objects scattered across the night sky. French astronomer Charles Messier had cataloged over 100 such objects in the late 1700s, most of which were identified as star clusters, nebulae, supernova remnants...
Accumulation of dust particles examined
Thursday, November 14, 2024 by Russ Scritchfield
In a fascinating exploration of the cosmos, astronomers have been delving into the accumulation of dust particles in space, particularly focusing on the reflection nebula known as vdB 9 in the constellation Cassiopeia. This nebula is illuminated by the Cepheid variable star SU Cassiopeiae, whose blu...
Edwin Hubble won the Great Debate
Thursday, November 7, 2024 by Richard Harris
I live in the Ozarks, just about 15 miles from Edwin Hubble's birthplace. The Hubble Space Telescope (HST) continues to fascinate me - both for the incredible views it has provided us and the profound questions it keeps raising about our universe. By the onset of the 20th century, the field o...