Question

The invention of the _____________ was considered the critical invention for easily classifying and organizing Stars by brightness, color, and temperature

Radio Telescope


HR Chart (Hertzsprung- Russell)


Infra red Camera

Nasa Star Modeling Programs

Answer 1

not a telescope, thats how you see stars. the answer is the HR Chart. If you look at this chart, it has all of the types of stars organized by brightness, color, and temp like the question asks.

Answer 2

radio telescope

Step-by-step explanation:

We use radio telescopes to study naturally occurring radio light from stars, galaxies, black holes, and other astronomical objects. We can also use them to transmit and reflect radio light off of planetary bodies in our solar system.