« previous next »

Author Question: Spectrographs use a prism or a grating to spread starlight according to wavelength. a. True b. ... (Read 48 times)

CBme

  • Hero Member
  • *****
  • Posts: 548
on: Jul 27, 2018
Spectrographs use a prism or a grating to spread starlight according to wavelength.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Supergiants are about as common as the Sun.
 
  a. True
  b. False
  Indicate whether the statement is true or false


chem1s3

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jul 27, 2018
Answer to Question 1

True

Answer to Question 2

False


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Gastric cancer. In advanced stages of gastric cancer, malignant cells spread to form tumors in the l Gastric cancer. In advanced stages of gastric cancer, malignant cells spread to form tumors in the l
True Forget-Me-Not True Forget-Me-Not
Paranasal sinuses are part of the upper respiratory system. From here, infections may spread via the ... Paranasal sinuses are part of the upper respiratory system. From here, infections may spread via the ...
How to find the volume and surface area a rectangular prism How to find the volume and surface area a rectangular prism
Preventing the Spread of Coronavirus Disease 2019 Preventing the Spread of Coronavirus Disease 2019
A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ... A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ...
Video: Atrial natriuretic peptide (vasodilation) & Aldosterone

For a complete list of videos, visit our video library