Chapter 24: Beyond Our Solar System

Expanding spherical clouds of glowing gas are after Red giant stage is called

A nebula that is not close enough to a bright star to be illuminated is known as:

Which is not a factor that controls the brightness of a star as seen from earth?

A star with less than one half the mass of the sun will collapse into:

Which of the following is not one of the main types of galaxies? 

These derive their visible light from the fluorescence of UV light from stars in/near them:

When the hydrogen in a star's core is consumed, its outer envelope expands and forms a: 

The apparent change in wavelength of radiation from the motions of the source and the observer:

One method for determining the distance to a  nearby star is to use a measurement called:

The final fate of a star is determined by its:

Nearly spherically shaped groups of densely packed stars are known as:

____________ galaxies account for only 10% of the known galaxies. 

___________ is a manifestation of the star's temperature.

___________ is the measure of a star's brightness.

New stars not yet hot enough for nuclear fusion are called:

Galaxies are grouped in:

New stars are born out of enormous accumulations of dust and gases called:

Ninety percent of all stars are known as:

When a star explosively brightens, it is called a ________.

Which stars are located in the lower-central portion of an H-R diagram?

Stars that fluctuate in brightness are known as:

Stars located in the upper right portion of an H-R diagram are known as:

A____is born when its nuclear furnace is ignited by temps & pressures of a collapsing nebula

The _________ away a star is, the __________ its parallax. 

Stars with surface temperatures between 5000 and 6000 K appear:

Which of the following is not an intrinsic property of a star?

Dense dust clouds that are illuminated by reflecting the light of nearby stars are known as:

A unit used to express stellar distance is:

What kind of galaxy is the Milky Way?

Massive stars terminate in explosions called: