Exam 24: Beyond Our Solar System

The least massive main-sequence stars are blue in color.

The larger the magnitude number, the brighter will be the star.

The greatest number of galaxies belong to the type known as elliptical galaxies.

Label the Giant and Supergiant stars, the Main Sequence stars, and the White dwarf stars on the H-R diagram below.

The red shift refers to the tendency of stars to cool and become red in color.

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Which color stars have the highest surface temperature?

One of the most common units used to express stellar distance is the ________.

The name applied to large quantities of interstellar dust and gas is ________.

Which color stars have the highest surface temperature?

More than 50 percent of the stars in the universe occur in pairs or multiples.

The distance to stars can be determined from ________.

The final stage in the evolution of a star like our Sun is a neutron star.

Briefly explain the sequence of events that are illustrated in Figure 24.11 below.

Most galaxies are of this type.

Which color stars have the coolest surface temperature?

Briefly discuss stellar evolution. What forces are opposing one another throughout the life of a star and how do they influence the various stages in the life cycle of a star?

The final stage for a star which is as massive as the Sun is a ________.

Stars with a surface temperature 3000 K appear red in color.

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.