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

Author Question: Which of the following observational techniques is most appropriate for measuring Doppler shifts? ... (Read 43 times)

soccerdreamer_17

  • Hero Member
  • *****
  • Posts: 552
Which of the following observational techniques is most appropriate for measuring Doppler shifts?
 
  A) timing (measuring how the amount of light changes with time)
  B) imaging (taking a picture)
  C) spectroscopy (taking a spectrum)

Question 2

The text states that luminous matter in the Milky Way seems to be much like the tip of an iceberg. This refers to the idea that ________.
 
  A) black holes are much more interesting than ordinary stars that give off light
  B) luminous matter emits white light, much like the light reflected from icebergs
  C) the luminous matter of the Milky Way is essentially floating on the surface of a great sea of dark matter
  D) dark matter represents much more mass and extends much further from the galactic center than the visible stars of the Milky Way



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sarahccccc

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

C

Answer to Question 2

D




soccerdreamer_17

  • Member
  • Posts: 552
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review


scottmt

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

 

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.

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.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

For a complete list of videos, visit our video library