H-R Diagram
Life of a Star
High Mass Stars
Low Mass Stars
Spectroscopy
100

Temperature

What is the X-axis?

100

Stars are born

What is in a stellar nebula / a cloud of dust and gas?

100
Fuses hydrogen into helium

What is during main sequence?

100
An example of a low mass star

What is our sun?

100

Wavelength

What is b or f?

200

Y-axis

What is luminosity?

200

Makes matter collide to create a protostar

What is gravity?

200

Fuses heavy elements like iron, gold, and silver

What is supergiant stage?

200

Red giant stage

What is extends its outer layers and grows huge?

200

Stars moving toward us

What is blueshifted?

300

The hottest star color

What is blue?

300

Nuclear fusion for 90% of its life

What is main sequence?

300

Length of life compared to a low mass star

What is living much shorter lives than low mass stars?
300

Low mass star's death

What is turns into a planetary nebula?

300

Wavelength longer than normal

What is redshift?

400

The diagonal from the top left to the bottom right

What is a majority of stars in their main sequence?

400

10% of its life

What is giant/supergiant stage?

400

Elements created during its life return back to Universe

What is when a star dies?

400

After a low mass star's death

What is turns into a white dwarf?

400

Crest

What is a?

500

Hot, dim stars

What is white dwarf in the bottom left corner of the H-R diagram?

500

Temperature needed to create a star

What is 100 million degrees Celsius?

500

After a supernova explosion

What is a black hole or neutron star?

500

Hypothetical remnant of a dead low mass star

What is a black dwarf?

500

2 stars having the same observed 

wavelength of absorption line,

this can be concluded about its movement

What is not moving?

M
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