« previous next »

Author Question: Why is visible light a bad choice for studying the core of the Galaxy? What is better? What will ... (Read 61 times)

jazziefee

  • Hero Member
  • *****
  • Posts: 505
on: Jul 27, 2018
Why is visible light a bad choice for studying the core of the Galaxy? What is better?
 
  What will be an ideal response?

Question 2

In science, a broad idea that has been repeatedly verified so as to give scientists great confidence that it represents reality is called
 
  A) a paradigm.
  B) a hypothesis.
  C) Ptolemaic model.
  D) a theory.


shaquita

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 27, 2018
Answer to Question 1

Dust in the Galactic plane blocks our view of most of our Galaxy, particularly toward Sagittarius. Radio was the first region where the Galactic center showed up well, but infrared and X-rays have also given good results recently.

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Kinetic light sculptures Kinetic light sculptures
Using a bright light makes seeing where the smoke is coming from easier. In this case, smoke was ... Using a bright light makes seeing where the smoke is coming from easier. In this case, smoke was ...
Micrograph of ice core Micrograph of ice core
Healthy choice Healthy choice
A very light ideal spring stretches by when it is used to hang a 135-N object. What is the ... A very light ideal spring stretches by when it is used to hang a 135-N object. What is the ...
The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum
Video: Hershey Chase Experiments

For a complete list of videos, visit our video library