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

Author Question: How does the interstellar medium obscure our view of most of the galaxy? A) The small mixture of ... (Read 77 times)

KimWrice

  • Hero Member
  • *****
  • Posts: 579
on: Jul 27, 2018
How does the interstellar medium obscure our view of most of the galaxy?
 
  A) The small mixture of dust grains in the interstellar medium absorbs visible light.
  B) Dust reflects most light from distant regions of the galaxy back towards the source.
  C) Hydrogen gas produces so much visible light that the interstellar medium is opaque, blocking our view of anything beyond it.
  D) Molecules in the interstellar medium absorb all wavelengths of light.
  E) all of the above

Question 2

The Moon keeps one side facing the Earth because it doesn't rotate on its axis.
 
  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

wfdfwc23

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

FALSE


KimWrice

  • Member
  • Posts: 579
Reply 2 on: Jul 27, 2018
:D TYSM

patma1981

  • Member
  • Posts: 292
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

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

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

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

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

View from the Phoenix lander, 2008 View from the Phoenix lander, 2008
Lungs: RUL = Right Upper Lobe, RML = Right Middle Lobe, RLL = Right Lower Lobe, LUL = Left Upper Lob Lungs: RUL = Right Upper Lobe, RML = Right Middle Lobe, RLL = Right Lower Lobe, LUL = Left Upper Lob
Villi in the small intestine Villi in the small intestine
Tonsils, lymph nodes, thymus, spleen, and lymphatic vessels with an expanded view of a lymph node. Tonsils, lymph nodes, thymus, spleen, and lymphatic vessels with an expanded view of a lymph node.
Organs of the urinary system. This illustration is an anterior view of a female with the abdominal w Organs of the urinary system. This illustration is an anterior view of a female with the abdominal w
Medial view of sagittal section Medial view of sagittal section
Video: Atrophy

For a complete list of videos, visit our video library