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A New Spin On NGC 2403
[/caption] No. You’re not looking at a Hubble image. This incredibly detailed photo was taken with a 14.5″ telescope from right here on the surface of planet Earth. When Allan Sandage turned the Hale telescope its way, he discovered the first Cepheid variables beyond our local galaxy group. At the time he concluded its distance … Continue reading "A New Spin On NGC 2403"
Tammy Plotner