This topic contains a solution. Click here to go to the answer

Author Question: We are not yet capable of detecting life on planets around other stars. But as our technology ... (Read 150 times)

EY67

  • Hero Member
  • *****
  • Posts: 531
We are not yet capable of detecting life on planets around other stars. But as our technology develops, our first real chance of detecting such life will probably come from ________.
 
  A) determining the orbital properties of the planets
  B) examining high-resolution images of the planets made by orbiting telescopes
  C) examining spectral lines from the atmospheres of distant planets
  D) sending spacecraft to study the planets up close

Question 2

What do we mean by a geocentric model of the universe?
 
  A) a model of the Milky Way Galaxy that has our solar system located at its center
  B) a model designed to explain what we see in the sky while having the Earth orbit the Sun
  C) the name given to sphere-shaped models that show all the constellations as they appear in our sky on the celestial sphere
  D) a model designed to explain what we see in the sky while having the Earth located in the center of the universe



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

wtf444

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

C

Answer to Question 2

D





 

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

For a complete list of videos, visit our video library