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

Author Question: How do we expect that the first Earth-sized extrasolar planets will be discovered (if they exist)? ... (Read 77 times)

lilldybug07

  • Hero Member
  • *****
  • Posts: 546
How do we expect that the first Earth-sized extrasolar planets will be discovered (if they exist)?
 
  A) by the transit technique from an observatory in space
  B) with photographs from a new generation of large, ground-based observatories
  C) by NASA's Terrestrial Planet Finder mission
  D) by the Doppler technique

Question 2

Each day, there are ________ high tides on Earth.
 
  Fill in the blank(s) with correct word



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ong527

  • Sr. Member
  • ****
  • Posts: 285
Answer to Question 1

A

13.5 Mastering Astronomy Concept Quiz

Answer to Question 2

2





 

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

For a complete list of videos, visit our video library