Stars and Galaxies Review

This is the measure of how bright an object appears from Earth.

• apparent

• apparent magnitude

• astronomical unit

• light-year

This is the distance that light travels in 1 year.

• apparent

• apparent magnitude

• astronomical unit

• light-year

This is the true brightness of an object

• light-year

• luminosity

• parallax

• spectroscope

This is the apparent change in an object's position caused by looking at it from two different points.

• light-year

• luminosity

• parallax

• spectroscope

This is the wide, outermost layer of a star's atmosphere.

• chromosphere

• convection zone

• corona

• globular

This graph plots luminosity versus temperature of stars.

• Hertzsprung-Russell Diagram

• Nuclear Fusion

• photosphere

• radiative zone

This is the process that occurs when the nuclei of several atoms combine into one larger nucleus.

• Hertzsprung-Russell Diagram

• nuclear fusion

• photosphere

• radiative zone

This is a large ball of gas held together by gravity with a core so hot that nuclear fusion occurs.

• nuclear fusion

• photosphere

• radiative zone

• star

This is an object whose gravity is so great that no light can escape.

• black hole

• nebula

• neutron

• neutron star

This is a cloud of gas and dust where stars form.

• black hole

• nebula

• neutron

• neutron star