Magazine

Observing, Stars

Phil Harrington binocular universe (December 2006 online extra)

Science

How we lost Pluto

Science

Shoot the Moon

Science

David J. Eicher’s meteorite gallery

Science

Phil Harrington’s binocular universe: Meet Mr. October

Science

Is it a coincidence that most of the planets fall within the Titius-Bode law’s boundaries?

Science

Bob Berman’s strange universe: Space-travel woes

Science

What is meant by the term “flat universe”? How is this flatness supported by measurements of the cosmic microwave background?

Observing

Glenn Chaple’s observing basics: A dumbell for you

Observing

How do astronomers determine the ages of stars?

Observing

A lunar dip through the Pleiades

Observing

Charting autumn’s galaxies