How Do Telescopes Work Handout

This handout is designed to be printed double-sided, and has two handouts per page. On one side is a brief comparison of refracting, reflecting, catadioptric, and radio telescopes. On the other side is a description of the purpose of telescopes.

The file is available in both MS Word and PDF formats.

Crash Course – Astronomy – 32: Neutron Stars

This is the thirty-second video of the Crash Course – Astronomy series, hosted by Dr. Phil Plait. This video examines neutron stars, explaining how they are formed, and how they can produce the phenomena of pulsars and magnetars.

From the video description:

Table of Contents:

  • A Star Can Collapse to Form a Neutron Star 0:59
  • Neutron Star Characteristics 2:24
  • Pulsars 5:56
  • Magnetars 8:15

Crash Course – Astronomy – 24: Light

This is the twenty fourth video of the Crash Course – Astronomy series, hosted by Dr. Phil Plait. This video explains how astronomers use light to observe and understand everything in the universe around us.

From the video description:

Table of Contents:

  • Light is a Form of Energy 0:39
  • Wavelength Tells Us Its Energy and Color 0:59
  • Spectroscopy 7:28

Crash Course – Astronomy – 6: Telescopes

This YouTube video explains how telescopes work, and describes various types of telescopes.

This is the sixth video of the Crash Course – Astronomy series, hosted by Dr. Phil Plait. This video describes the basic principles of telescopes and how varieties of telescope designs function. Also included is a basic guide to purchasing telescopes for personal use. From the video description:

Table of Contents:

  • How Telescopes Work 1:07
  • Refractors vs Reflectors 2:50
  • Technology and the Light Spectrum 7:45

Crash Course – Astronomy Series

Dr. Phil Plait’s Crash Course series in astronomy covers a huge number of astronomical topics, from familiar nearby planets to the furthest reaches of the Cosmos. Episodes are arranged around a single topic, which Plait covers in a friendly and engaging way, suitable for all ages.

While rigorous about the science, Plait brings his excitement of discovery, and awe at the scale and beauty of the universe to the forefront of each talk. Students will definitely look forward to each 10-15 minute episode.

Content warning: nerdly puns.

Crash Course channel on YouTube

Crash Course videos are free to use in classes and by individuals. Funded via Patreon and featuring Hank Green on Anatomy and Physiology and Phil Plait (The Bad Astronomer) on Astronomy, the Crash Course series provides an up-to-date look at subjects from experts in their fields, and high-quality animation and production. STEAM topics covered include:

  • Anatomy & Physiology
  • Astronomy
  • Biology
  • Ecology
  • Chemistry