Author Question: If a binary is detected by periodic shifts in its spectral lines, it is a(n) ________ binary. ... (Read 103 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?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

For a complete list of videos, visit our video library