Before taking up the details of this work, however, we must allude briefly to the present state of double-star astronomy, which is intimately connected with Campbell's famous work at the Lick ...

or that offers astronomy classes with lab sections. It is a worthy, simpler supplement to lead author Argyle’s Observing and Measuring Visual Double Stars.’ S. P. Maran Source: Choice ‘I very much ...

The large numbers and various types of these companions in space are a problem to astronomy. The author's theory relates them to the evolution of both stars and planets ...

Taking advantage of a cosmic 'double lens,' astronomers resolved more than 40 individual stars in a galaxy so far away its light dates back to when the universe was only half its present age.

or that offers astronomy classes with lab sections. It is a worthy, simpler supplement to lead author Argyle's Observing and Measuring Visual Double Stars.' S. P. Maran, Choice 'I very much enjoyed ...