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

Author Question: An astronomer would find a type Ia supernova in a distant galaxy useful as a(n) ____. a. spiral ... (Read 114 times)

captainjonesify

  • Hero Member
  • *****
  • Posts: 543
An astronomer would find a type Ia supernova in a distant galaxy useful as a(n) ____.
 
  a. spiral tracer
 b. gravitational lens
  c. age calibration
 d. rotation curve
 e. standard candle

Question 2

What is a major selecting factor for astronomers looking to place a telescope atop a mountain?
 
  a. non-turbulent airflow
 b. percentage of tree-coverage
 c. amount of precipitation
 d. the country it is located within
  e. the economics of the location



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

micaelaswann

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

e

Answer to Question 2

a




captainjonesify

  • Member
  • Posts: 543
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)


cdmart10

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

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?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

For a complete list of videos, visit our video library