You updated your password.

Reset Password

Enter the email address you used to create your account. We will email you instructions on how to reset your password.

Forgot Your Email Address? Contact Us

Reset Your Password

SHOW
SHOW
5

Radio Telescopes and How They Work

Lecture no. 5 from the course: Radio Astronomy: Observing the Invisible Universe

Loading the player...

Taught by Professor Felix J. Lockman | 34 min | Categories: Science

Radio telescopes are so large because radio waves contain such a small amount of energy. For example, the signal from a standard cell phone measured one kilometer away is five million billion times stronger than the radio signals received from a bright quasar. Learn how each of these fascinating instruments is designed to meet a specific scientific goal-accounting for their wide variation in form ...
Ask anything about The Great Courses

We use cookies to improve our services, make personal offers, and enhance your experience. See our Cookie Policy