A huge cloud of dust and gas.
What is a nebula?
The last stage of a common main sequence star's life.
What is a white dwarf?
Most stars belong to this group on the HR diagram.
What is the main sequence category?
We live in the _ _ galaxy.
What is the MILKY WAY?
What are stars on the HR diagram arranged by?
What is temperature and luminosity(brightness)?
The remains of a high mass star
What is a black hole or neutron star
The coolest stars are this color on the HR diagram.
What is color red?
Another word for brightness is _.
What is Luminosity or Magnitude?
The higher a star is on the HR diagram, the _____________ it is.
Brighter
All stars begin fusion by using _________________element to make this _____________?
Hydrogen, Helium
On the HR diagram, the sun is this color.
What is yellow?
The 3 types of galaxies are __, __, __ and the milky way is ____.
What is spiral, elliptical, and irregular and spiral?
A massive star exploding.
What is a supernova?
the earliest stage of a star's life that forms in the nebula
What is a protostar?
This group of stars have high luminosity but cool temperatures.
What are red super giants?
White dwarfs are located _HIGH/LOW_ on the HR Diagram because they are _BRIGHT/DIM_.
What is LOW and DIM?
The MOST massive stars will become this celestial object that is so massive, even light cannot escape.
What is BLACK HOLE?
Increases from right to left on the HR diagram
Temperature
The hottest stars on the HR diagram are _?_ color.
What is BLUE?
This determine the life cycle of stars
Their Mass