Author Question: If a binary is detected by periodic shifts in its spectral lines, it is a(n) ________ binary. ... (Read 415 times)

oliviahorn72

  • Hero Member
  • *****
  • Posts: 579
If a binary is detected by periodic shifts in its spectral lines, it is a(n) ________ binary.
 
  Fill in the blank(s) with correct word

Question 2

If its density suggests its core is similar to ours, why does Venus lack a magnetic field?
 
  What will be an ideal response?



ecox1012

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

spectroscopic

Answer to Question 2

Venus' rotation is too slow to drive the dynamo effect that creates the magnetic field Earth has.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

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

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

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?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

For a complete list of videos, visit our video library