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

Author Question: An astronomer would find a type Ia supernova in a distant galaxy useful as a(n) ____. a. spiral ... (Read 103 times)

captainjonesify

  • Hero Member
  • *****
  • Posts: 543
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

e

Answer to Question 2

a


captainjonesify

  • Member
  • Posts: 543
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

dantucker

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Injecting an IV push (bolus) medication; C, another type of needleless syringe and needleless IV acc Injecting an IV push (bolus) medication; C, another type of needleless syringe and needleless IV acc
Label the four mutated DNA segments shown below according to the type of point mutation each ... Label the four mutated DNA segments shown below according to the type of point mutation each ...
Andean-Type Mountain Building Andean-Type Mountain Building
Find the derivative using the product rule Find the derivative using the product rule
Find the derivative by using the quotient rule. Find the derivative by using the quotient rule.
Find derivative using chain rule Find derivative using chain rule
Video: X chromosome inactivation in calico cats

For a complete list of videos, visit our video library