Author Question: Why do instruments that are looking for transiting planets need to look for very small brightness ... (Read 37 times)

Garrulous

  • Hero Member
  • *****
  • Posts: 686
Why do instruments that are looking for transiting planets need to look for very small brightness changes?
 
  What will be an ideal response?

Question 2

The evolution of a protostar slows significantly as it approaches the main sequence.
 
  Indicate whether the statement is true or false



macagnavarro

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

Because a transiting planet blocks only a tiny fraction of the star's surface from our view.

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

For a complete list of videos, visit our video library