Jason Shilling Kendall: Citizen Astronomer

William Paterson University
Amateur Astronomers Association of New York

Introductory Astronomy Lecture Series
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Astronomy Lesson 11_04: Cosmological Redshift

Binary stars are some of the most important stars to study, as they are the gateway to astrophysics. We can determine their masses and we can determine many other things about them. So, here we chat more about spectroscopic and eclipsing binaries, and how a planet about the size of Earth was found orbiting the star nearest to the Sun.

William Paterson University Department of Physics American Astronomical Society Amateur Astronomers Association of New York Astronomical Society of the Pacific