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 21 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
Thanks for the timely response, appreciate it

Kedrick2014

  • Member
  • Posts: 359
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Stars and the Interstellar Medium Stars and the Interstellar Medium
Stars and the Interstellar Medium Stars and the Interstellar Medium
A Globular Cluster A Globular Cluster
Three Close Binaries Three Close Binaries
How to solve any rational equation by finding the lowest common denominator (Part 2) How to solve any rational equation by finding the lowest common denominator (Part 2)
Determined the magnitude of the magnetic force on the conductor. Determined the magnitude of the magnetic force on the conductor.
Video: Hormonal feedback loop components & Glucagon (glycogenolysis and gluconeogenesis)

For a complete list of videos, visit our video library