This topic contains a solution. Click here to go to the answer

Author Question: Wendy measures a recession velocity for two distant galaxies, well outside our Local Group of ... (Read 53 times)

captainjonesify

  • Hero Member
  • *****
  • Posts: 543
Wendy measures a recession velocity for two distant galaxies, well outside our Local Group of galaxies. Galaxy A has a recession velocity of 35,000 km/s and Galaxy B has a recession velocity of 70,000 km/s.
 
  What can she say about the distances to those galaxies?
  A) She can't say anything about the distances to Galaxy A or B.
  B) Galaxy A is twice as far as Galaxy B.
  C) Galaxy B is four times as far as Galaxy A.
  D) Galaxy B is twice as far as Galaxy A.
  E) Galaxy A is four times as far as Galaxy B.

Question 2

There is no limit to the mass with which a star can be born.
 
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

katieost

  • Sr. Member
  • ****
  • Posts: 358
Answer to Question 1

D

Answer to Question 2

FALSE




captainjonesify

  • Member
  • Posts: 543
Reply 2 on: Jul 27, 2018
:D TYSM


frankwu0507

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

For a complete list of videos, visit our video library