This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The age of stars in a cluster can be determined by A) finding spectroscopic binaries in the ... (Read 22 times)

Medesa

  • Hero Member
  • *****
  • Posts: 507
on: Jul 27, 2018
The age of stars in a cluster can be determined by
 
  A) finding spectroscopic binaries in the cluster.
  B) determining the main sequence turnoff point.
  C) finding pulsating variable stars in the cluster.
  D) counting the number of stars in each spectral class.
  E) fitting the position of the main sequence to the Sun.

Question 2

Which of the following is not a characteristic of the outer planets?
 
  A) They all have rings.
  B) They all have large quantities of gas.
  C) They have very few, if any, satellites.
  D) They are primarily made of hydrogen and helium.
  E) Their orbits are separated by relatively large distances.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

zhanghao

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

C


Medesa

  • Member
  • Posts: 507
Reply 2 on: Jul 27, 2018
:D TYSM

bimper21

  • Member
  • Posts: 309
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye
Plotting the Ages of Stars Plotting the Ages of Stars
SBTRKT - Look at Stars Ft. Sampha SBTRKT - Look at Stars Ft. Sampha
The tertiary of a transfer RNA as determined by X-Ray diffraction The tertiary of a transfer RNA as determined by X-Ray diffraction
Protein Needs Are Determined by Nitrogen Balance in Your Body Protein Needs Are Determined by Nitrogen Balance in Your Body
finding resultant for the following force combinations finding resultant for the following force combinations
Video: Sperm Formation

For a complete list of videos, visit our video library