« previous next »

Author Question: A megaparsec is equivalent to a. 3.26 light-years. b. 206,265 AU. c. the age of our solar ... (Read 37 times)

Tirant22

  • Hero Member
  • *****
  • Posts: 532
on: Jul 27, 2018
A megaparsec is equivalent to
 
  a. 3.26 light-years.
  b. 206,265 AU.
  c. the age of our solar system.
  d. a million parsecs.
  e. the diameter of the Milky Way galaxy.

Question 2

Ninety percent of all stars fuse helium to form carbon and lie on the main sequence.
 
  a. True
  b. False
  Indicate whether the statement is true or false


TINA

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 27, 2018
Answer to Question 1

d

Answer to Question 2

False


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Absorption of light energy by an electron Absorption of light energy by an electron
Adolescence: 12 years or puberty to the beginning of adulthood. Adolescence: 12 years or puberty to the beginning of adulthood.
Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body
Reflection of light rays Reflection of light rays
Nick buys a $25 000, 5.4% bond with quarterly interest coupons, 3 years before maturity, to ... Nick buys a $25 000, 5.4% bond with quarterly interest coupons, 3 years before maturity, to ...
Light-independent reactions in C3 plants. Light-independent reactions in C3 plants.
Video: Digestion Animation

For a complete list of videos, visit our video library