Author Question: How many stars can you see with your naked eye on a clear, moonless night from a dark location? ... (Read 79 times)

Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
How many stars can you see with your naked eye on a clear, moonless night from a dark location?
 
  A) fewer than a thousand
  B) a few thousand
  C) about ten thousand
  D) about a hundred thousand
  E) more than you could count in your lifetime

Question 2

A 20 solar mass star will stay on the main sequence for 10 million years, yet its iron core can exist for only a
 
  A) day.
  B) week.
  C) month.
  D) year.
  E) century.



sokh

  • Sr. Member
  • ****
  • Posts: 357
Answer to Question 1

B

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
Both answers were spot on, thank you once again



sokh

  • Sr. Member
  • ****
  • Posts: 357

 

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

For a complete list of videos, visit our video library