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 57 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?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Demonstration of equal segregation within one meiocyte in the yeast S. cerevisiae Demonstration of equal segregation within one meiocyte in the yeast S. cerevisiae
Adenosine, Time of Day, and Hunger Adenosine, Time of Day, and Hunger
A recruiting poster for the “True Sons of Freedom” encouraged African Americans to enlist. In fact, A recruiting poster for the “True Sons of Freedom” encouraged African Americans to enlist. In fact,
Push down with your feet to come back up. Push down with your feet to come back up.
A very light ideal spring stretches by when it is used to hang a 135-N object. What is the ... A very light ideal spring stretches by when it is used to hang a 135-N object. What is the ...
Light-independent reactions in C4 plants Light-independent reactions in C4 plants
Video: Transferring genes into plants Animation

For a complete list of videos, visit our video library