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

Author Question: The Milky Way Galaxy is a. a spiral galaxy. b. part of a cluster of galaxies that contains a few ... (Read 120 times)

newyorker26

  • Hero Member
  • *****
  • Posts: 536
on: Jul 27, 2018
The Milky Way Galaxy is
 
  a. a spiral galaxy.
  b. part of a cluster of galaxies that contains a few dozen galaxies.
  c. about 80,000 light years in diameter.
  d. All of the other choices are correct.

Question 2

If the distance to the nearest star is 4.2 light-years, then
 
  a. the star is 4.2 million AU away.
  b. the light we see left the star 4.2 years ago.
  c. the star must have formed 4.2 billion years ago.
  d. the star must be very young.
  e. the star must be very old.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

underwood14

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jul 27, 2018
Answer to Question 1

d

Answer to Question 2

b


newyorker26

  • Member
  • Posts: 536
Reply 2 on: Jul 27, 2018
Gracias!

yeungji

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

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

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Irregular Galaxies Irregular Galaxies
Galaxies with Rings Galaxies with Rings
Part of a written prescription prescribing an antibiotic for a dental infection. Part of a written prescription prescribing an antibiotic for a dental infection.
How to find the definite integral using the fundamental theorem of calculus (Part 2) How to find the definite integral using the fundamental theorem of calculus (Part 2)
How to convert between imperial and metric units (Part 3) How to convert between imperial and metric units (Part 3)
Types of Blast Injuries (Part 1 of 2) Types of Blast Injuries (Part 1 of 2)
Video: Dissociative Disorders (Part 1)

For a complete list of videos, visit our video library