Question

Which statement correctly explains how the Hertzsprung-Russell diagram helps to compare stars?(1 point)
Responses

The Sun's high temperature places it to the far left of the Hertzsprung-Russell diagram.
The Sun's high temperature places it to the far left of the Hertzsprung-Russell diagram.

The Hertzsprung-Russell diagram plots stars according to their luminosity and temperature, which is also associated with spectral class.
The Hertzsprung-Russell diagram plots stars according to their luminosity and temperature, which is also associated with spectral class.

The Hertzsprung-Russell diagram plots stars according to their size and shape.
The Hertzsprung-Russell diagram plots stars according to their size and shape.

Stars with the highest temperatures appear towards the right side of the Hertzsprung-Russell diagram.

Answer 1

Which is the first stage in the life cycle of a massive star?(1 point)
Responses

black hole
black hole

red giant
red giant

nebula
nebula

white drawf

Answer 2

Which of these is a heavy element in a star?(1 point)
Responses

helium
helium

carbon
carbon

lithium
lithium

hydrogen

Answer 3

Which are examples of non-visible light?(1 point)
Responses

white light from a lightbulb and rainbows
radio waves and ultraviolet light
white light from the sun and microwaves
rainbows and X-rays

Answer 4

The Hertzsprung-Russell diagram plots stars according to their luminosity and temperature, which is also associated with spectral class.

Answer 5

nebula

Answer 6

carbon