4. A main-sequence star is stable because of a mechanism known as (a) fragmentation (b) pressure-temperature thermostat (c) the Doppler effect (d) mass-luminosity relation (e) supernova explosion 5. If a protostar is too massive, it would and form (a) fragment; many stars (b) explode; supernova (c) expand; red giant (d) collapse; black hole (e) cool down; a reflection nebula

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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4.
A main-sequence star is stable because of a mechanism known as
(a) fragmentation
(b) pressure-temperature thermostat
(c) the Doppler effect
(d) mass-luminosity relation
(e) supernova explosion
5.
If a protostar is too massive, it would
and form
(a) fragment; many stars
(b) explode; supernova
(c) expand; red giant
(d) collapse; black hole
(e) cool down; a reflection nebula
Transcribed Image Text:4. A main-sequence star is stable because of a mechanism known as (a) fragmentation (b) pressure-temperature thermostat (c) the Doppler effect (d) mass-luminosity relation (e) supernova explosion 5. If a protostar is too massive, it would and form (a) fragment; many stars (b) explode; supernova (c) expand; red giant (d) collapse; black hole (e) cool down; a reflection nebula
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