Author Question: Spectrographs use a prism or a grating to spread starlight according to wavelength. a. True b. ... (Read 69 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?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

For a complete list of videos, visit our video library