This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: We are not yet capable of detecting life on planets around other stars. But as our technology ... (Read 148 times)

EY67

  • Hero Member
  • *****
  • Posts: 531
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

D


EY67

  • Hero Member
  • *****
  • Posts: 531
Reply #2 on: Jul 27, 2018
TY


wtf444

  • Sr. Member
  • ****
  • Posts: 314
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Bronchoscopy. Figure illustrates physician using a bronchoscope to inspect the patient’s bronchial t Bronchoscopy. Figure illustrates physician using a bronchoscope to inspect the patient’s bronchial t
Normal changes in the breast during a woman's life span Normal changes in the breast during a woman's life span
Personality over the Life Span Personality over the Life Span
Throughout history, technology has had an impact on families. Today is no exception. Throughout history, technology has had an impact on families. Today is no exception.
How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay? How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay?
Marine pollution threatens resources and marine life Marine pollution threatens resources and marine life
Video: Neuron structure and function - sensory neurons, association neurons & motor neurons

For a complete list of videos, visit our video library