This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The look-back time is numerically equal to the distance to a galaxy in light-years. a. True b. ... (Read 98 times)

segrsyd

  • Hero Member
  • *****
  • Posts: 530
on: Jul 27, 2018
The look-back time is numerically equal to the distance to a galaxy in light-years.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

A white dwarf star is prevented from collapsing by
 
  a. nuclear energy it is generating.
  b. its gravitational force.
  c. Hubble's law of extragalactic redshifts.
  d. degenerate electron gas pressure.
  e. degenerate astronomers observing the star.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

parshano

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 27, 2018
Answer to Question 1

True

Answer to Question 2

d


segrsyd

  • Hero Member
  • *****
  • Posts: 530
Reply #2 on: Jul 27, 2018
TY


parshano

  • Sr. Member
  • ****
  • Posts: 333
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

back of neck diagram back of neck diagram
A greater number of men than women hold full-time jobs, but the gap is closing because of an ... A greater number of men than women hold full-time jobs, but the gap is closing because of an ...
Apply circular friction and direct pressure to suboccipital muscles one side at a time.Turn head to ... Apply circular friction and direct pressure to suboccipital muscles one side at a time.Turn head to ...
Apply circular fingertip friction on back, moving along spinal muscles from hip to shoulder and over ... Apply circular fingertip friction on back, moving along spinal muscles from hip to shoulder and over ...
Absorption spectra and light energy Absorption spectra and light energy
Light in air is initially traveling parallel to the face AC of an equilateral triangular prism, ... Light in air is initially traveling parallel to the face AC of an equilateral triangular prism, ...
Video: Introduction to filtration - filtrate formation and composition

For a complete list of videos, visit our video library