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 164 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
YES! Correct, THANKS for helping me on my review

komodo7

  • Member
  • Posts: 322
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

NANDA international two part format NANDA international two part format
How to sketch a graph of a function using calculus only (Part 3) How to sketch a graph of a function using calculus only (Part 3)
Hydrolysis reactions for some biochemically important phosphate compounds (part 3) Hydrolysis reactions for some biochemically important phosphate compounds (part 3)
How to expand a polynomial (Part 2) How to expand a polynomial (Part 2)
How to find the unknown angle of a triangle using the sine law (Part 2) How to find the unknown angle of a triangle using the sine law (Part 2)
A deletion of part of chromosome 5 is associated with cri du chat syndrome. By comparing the region A deletion of part of chromosome 5 is associated with cri du chat syndrome. By comparing the region
Video: Bone Healing Animation

For a complete list of videos, visit our video library