Author Question: Why do instruments that are looking for transiting planets need to look for very small brightness ... (Read 35 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?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

For a complete list of videos, visit our video library