« previous next »

Author Question: Approximately how long does it take the sun to go through a full cycle of passing above and below ... (Read 44 times)

bucstennis@aim.com

  • Hero Member
  • *****
  • Posts: 532
on: Jul 27, 2018
Approximately how long does it take the sun to go through a full cycle of passing above and below the plane of the galaxy?
 
  A) a few million years B) a few tens of millions of years
  C) a few thousand years D) a few hundred years

Question 2

A star is observed with a surface temperature of 3,000 K and a lumi nosity of 105 solar. What is the approximate radius of this star?
 
  A) 10 solar radii B) 103 solar radii
  C) 102 solar radii D) The radius cannot be determined.


Dnite

  • Sr. Member
  • ****
  • Posts: 297
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

The life cycle of a zygomycete, the black bread mould Rhizopus stolonifer. The life cycle of a zygomycete, the black bread mould Rhizopus stolonifer.
The sexual cycle of the basidiomycete fungus Coprinus disseminatus. The sexual cycle of the basidiomycete fungus Coprinus disseminatus.
A photograph of Commodore Matthew Perry in 1855 juxtaposed with a Japanese portrait of him. When Per A photograph of Commodore Matthew Perry in 1855 juxtaposed with a Japanese portrait of him. When Per
Cori Cycle Cori Cycle
Sexual Phase of the Fungal Life Cycle Sexual Phase of the Fungal Life Cycle
A generalized life cycle of a basidiomycete. A generalized life cycle of a basidiomycete.
Video: Fractures Animation

For a complete list of videos, visit our video library