What is a blue shift, and is one happening now?
David Robinson
David Robinson
Reporter · Lancaster, PA
David graduated from Franklin & Marshall College and has been a community journalist for over 8 years, previously working at the Lancaster Examiner. He focuses on the heart of Lancaster, covering local events, festivals, and community initiatives.
More from David →Reporter · Wednesday, November 4, 2026 at 3:54 AM · 1 min read
Blue shift? Red mirage? What are they, and how will we know when one is happening?