Chapter 19.2 Review (8th) Question Preview (ID: 37616)
The Life Cycle Of Stars.
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The diagonal pattern location on the H-R diagram where most stars lie
a) white dwarf
b) main sequence
c) giants
d) hyper giants
An object that is so massive and dense that light cannot escape its gravity
a) supernova
b) white dwarf
c) main sequence star
d) black hole
A gigantic explosion in which a massive star collapses and throws it outer layers into space. The explosion is so powerful that it can be brighter than an entire galaxy for several days
a) neutron star
b) pulsar
c) supernova
d) white dwarfs
A graph that shows the relationship between a star’s surface temperature and absolute magnitude
a) H diagram
b) Star diagram
c) H-R diagram
d) R-H diagram
A rapidly spinning neutron star that emits rapid pulses of radio and optical energy
a) pulsar
b) black hole
c) supernova
d) nebula
The sun is a
a) white dwarf
b) main-sequence star.
c) red giant
d) red dwarf
What objects are formed from the materials in the core of a supernova?
a) black holes and super giants
b) red giants and white dwarfs
c) black holes and neutron stars
d) neutron stars and white dwarfs
Which of the following shows the sequence of a star’s life cycle from its earliest stage to its latest stage?
a) white dwarf, main sequence, red giant
b) main sequence, red giant, white dwarf
c) red giant, white dwarf, main sequence
d) main sequence, white dwarf, red giant
The H-R diagram shows the relationship of a star’s surface temperature and its
a) color
b) size
c) apparent magnitude
d) absolute magnitude
a small, hot, dim star that is the leftover center of an old star
a) neutron star
b) black hole
c) supernova
d) white dwarf
What keeps a star from breaking apart?
a) gravity
b) energy
c) mass
d) density
Which of the following is NOT a type of star?
a) main-sequence stars
b) supergiants
c) white dwarf stars
d) spectrum stars
Which of the following stars is the oldest?
a) main sequence
b) red giant
c) white dwarf
d) supergiant
Which one of the following statements is NOT true of supernovas?
a) They are explosions in which a massive star collapses.
b) They are explosions that occur at the beginning of a blue star’s life.
c) They can be brighter than an entire galaxy for several days.
d) They are explosions in which a star throws its outer layers into space.
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