Author Question: Spectrographs use a prism or a grating to spread starlight according to wavelength. a. True b. ... (Read 101 times)

CBme

  • Hero Member
  • *****
  • Posts: 548
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
Answer to Question 1

True

Answer to Question 2

False



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

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?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

For a complete list of videos, visit our video library