Author Question: If a binary is detected by periodic shifts in its spectral lines, it is a(n) ________ binary. ... (Read 100 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?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

For a complete list of videos, visit our video library