Unit 10B

Front

What is the largest star category?

Back

Super giants are the largest stars in the universe.

Front

What color are very hot stars?

Back

Very hot stars are blue.

Front

What changes as you move from the bottom to the top of the H-R diagram?

Back

Luminosity or Brightness changes as you move up the H-R diagram.

Front

What do we call all the stars and solar systems in a particular area?

Back

A Galaxy.

Front

Order the stars from hottest to coolest: Blue, Red, White, Yellow, Orange.

Back

Blue, White, Yellow, Orange, Red.

Front

What is the H-R diagram used for?

Back

The H-R diagram is used to classify stars based on their luminosity and temperature.

Front

What is a white dwarf?

Back

A white dwarf is a small, dense star that is the remnant of a low to medium mass star.

Front

What is the main sequence in the context of stars?

Back

The main sequence is a continuous and distinctive band of stars that appears on plots of stellar color versus brightness.

Front

What is the significance of a star's color?

Back

A star's color indicates its temperature; blue stars are the hottest, while red stars are the coolest.

Front

What is a galaxy?

Back

A galaxy is a massive system that contains stars, stellar remnants, interstellar gas, dust, and dark matter.