This topic contains a solution. Click here to go to the answer

Author Question: What is the closest thing to a binary planet we find in the solar system? Why? What will be an ... (Read 41 times)

justinmsk

  • Hero Member
  • *****
  • Posts: 524
What is the closest thing to a binary planet we find in the solar system? Why?
 
  What will be an ideal response?

Question 2

Star X has an apparent magnitude of 3, and star Y has an apparent magnitude of 13. How do they compare in observed brightness?
 
  A) Star Y is 10,000 times brighter than star X. B) Star X is 10,000 times brighter than star Y.
  C) Star Y is 10 times brighter than star X. D) Star X is 10 times brighter than star Y.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

chloejackso

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

Pluto's moon Charon is half as big as Pluto, and both objects are tidally fixed to always face each other during their 6.4 day rotations.

Answer to Question 2

B





 

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

For a complete list of videos, visit our video library