What are the Basic Properties of Astronomical Objects?

A brief description of what constitutes and astronomical observatory with a few examples in the real world that you have probably heard of.

A brief description of the philosophical concept known as Occam's Razor, which asserts that “the simplest explanation of a particular natural phenomenon is usually the correct one.” 

A brief description of why the Webb Telescope is optimized to observe infrared light. Hint: it has to do with the four main science areas that it will be studying: “Other Worlds,” “Star Lifecycle,” “Galaxies Over Time,” and “Early Universe.”

A brief description of the four main science goals of the James Webb Space Telescope - “Other Worlds,” “Star Lifecycle,” “Galaxies Over Time,” and “Early Universe.”

A brief description of the James Webb Space Telescope and how it's different than the Hubble Space Telescope.

A brief description of the Hubble Space Telescope and its scientific capabilities.

A brief description of the two primary reasons why we send telescopes into space to observe and study celestial objects.

A brief historical summary of what we mean when we refer to "Spiral Nebulae." 

A brief description of what will happen if the universe stops expanding and collapses back on itself - this is known as the Big Crunch.

A brief description of the basic properties of astronomical objects such as mass, radius, distance, luminosity, and temperature.