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

Author Question: Why do the present methods of finding extrasolar planets (Doppler measurement and planetary ... (Read 69 times)

rosent76

  • Hero Member
  • *****
  • Posts: 516
Why do the present methods of finding extrasolar planets (Doppler measurement and planetary transits) not favor finding solar systems like ours?
 
  What will be an ideal response?

Question 2

A stage 4 protostar may temporarily be thousands of times more luminous than the Sun.
 
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

wuly

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

Doppler shifts are greatest for rapidly moving stars, where their planets are moving very close to them and with periods of much less than a year. Only Jovian planets will have the mass needed to exert detectible pulls such as this also.

Answer to Question 2

TRUE




rosent76

  • Member
  • Posts: 516
Reply 2 on: Jul 27, 2018
Wow, this really help


daiying98

  • Member
  • Posts: 354
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

For a complete list of videos, visit our video library