« previous next »

Author Question: If a star is twice as hot as the Sun and only half the Sun's diameter, it will be less luminous than ... (Read 85 times)

rosent76

  • Hero Member
  • *****
  • Posts: 516
on: Jul 27, 2018
If a star is twice as hot as the Sun and only half the Sun's diameter, it will be less luminous than the Sun.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

A star on the main sequence has 7 solar masses. The star will evolve into a ____________ and its core will be supported by ______________.
 
  a. white dwarf, electron degeneracy pressure b. neutron star, neutron degeneracy pressure
  c. black hole, no pressure (i.e., it will not be supported) d. white dwarf, neutron star, or black hole; electron degeneracy, neutron degeneracy, and no pressure, respectively.


KKcool

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jul 27, 2018
Answer to Question 1

False

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Betelgeuse is a semiregular variable star Betelgeuse is a semiregular variable star
A Binary Star System A Binary Star System
Mass Loss from a Supermassive Star Mass Loss from a Supermassive Star
Mass Loss from a Supermassive Star Mass Loss from a Supermassive Star
Is this glass half empty or half full? Is this glass half empty or half full?
Florometra Crinoid or Feather Star, Phylum Echinodermata. Monterey Canyon, California. Florometra Crinoid or Feather Star, Phylum Echinodermata. Monterey Canyon, California.
Video: Type of Transport - Active and Passive Processes

For a complete list of videos, visit our video library