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47 million galaxies: A sunning new view of our universe
Monday, April 20, 2026 by Russ Scritchfield
An international team has unveiled a sweeping three dimensional map of the cosmos that brings the distribution of galaxies into sharp relief across much of observable space. Built from the Dark Energy Spectroscopic Instrument, the map charts where galaxies are located and how their positions change ...
Astronomy at the Beach 2025 event details
Friday, September 19, 2025 by Richard Harris
The Astronomy at the Beach event is an annual public astronomy gathering held at Island Lake State Park in Brighton, Michigan. Organized by the Great Lakes Association of Astronomy Clubs (GLAAC), it offers free access to the public with hands-on telescope observing, keynote lectures, interactive exh...
Helio highlights
Thursday, August 7, 2025 by Russ Scritchfield
In July 1969, astronauts Neil Armstrong and Buzz Aldrin became the first humans to walk on the Moon. Now, NASA and its international partners in the Artemis accords are working to send humans back there, this time to stay. The trip will be challenging, especially since space is a very uninviting pla...
Gemini North telescope reveals Betelgeuse companion
Saturday, July 26, 2025 by Richard Harris
Astronomers have discovered a companion star in an incredibly tight orbit around Betelgeuse using the NASA and U.S. National Science Foundation-funded ‘Alopeke instrument on Gemini North, one half of the International Gemini Observatory, partly funded by the NSF and operated by NSF NOIRLab. Th...