« previous next »

Author Question: Spectrographs use a prism or a grating to spread starlight according to wavelength. a. True b. ... (Read 96 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?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Apparent and True Orbits of Alpha Centauri. Apparent and True Orbits of Alpha Centauri.
Swabbing a Petri dish to spread apart colonies. Bacitracin disk is used to prove the presence or ... Swabbing a Petri dish to spread apart colonies. Bacitracin disk is used to prove the presence or ...
If raising a vehicle without a frame, place the flat pads under the pinch weld seam to spread the ... If raising a vehicle without a frame, place the flat pads under the pinch weld seam to spread the ...
This image shows the spread of droplets from an uncovered sneeze. This image shows the spread of droplets from an uncovered sneeze.
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 ...
What is the longest wavelength of light that can cause photoelectron emission fr What is the longest wavelength of light that can cause photoelectron emission fr
Video: Osteoporosis

For a complete list of videos, visit our video library