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

Author Question: Which of the following is a drawback of using type Ia supernovae for measuring the distance of ... (Read 126 times)

dalyningkenk

  • Hero Member
  • *****
  • Posts: 598
Which of the following is a drawback of using type Ia supernovae for measuring the distance of galaxies?
 
  A) They are not bright enough to be noticed.
  B) They cannot be calibrated.
  C) They are a rare occurrence.
  D) They occur only in spiral galaxies.

Question 2

The Local Group is a _____.
 
  A) rich galaxy cluster
  B) poor galaxy cluster
  C) regular galaxy cluster
  D) spherical galaxy cluster



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

HandsomeMarc

  • Sr. Member
  • ****
  • Posts: 360
Answer to Question 1

C

Answer to Question 2

B





 

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

For a complete list of videos, visit our video library