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 163 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!

lkanara2

  • Member
  • Posts: 329
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

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?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

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).

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

The elliptical galaxy Centaurus A at visible, far-infrared and x-ray wavelengths. The elliptical galaxy Centaurus A at visible, far-infrared and x-ray wavelengths.
An H-R Diagram of a Globular Cluster An H-R Diagram of a Globular Cluster
Part A - Changes in chromosome structure MasteringBiology Chapter 15 Part A - Changes in chromosome structure MasteringBiology Chapter 15
How to solve optimization problems in calculus (Part 3) How to solve optimization problems in calculus (Part 3)
Downward Spiral of Poverty and Hunger Lack of food can lead to numerous other symptoms Downward Spiral of Poverty and Hunger Lack of food can lead to numerous other symptoms
Question 37 Part 2 Question 37 Part 2
Video: Origin of organelles Animation

For a complete list of videos, visit our video library