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

Author Question: Doppler-shift observations of a spectroscopic binary star can enable astronomers to calculate ... (Read 113 times)

joe

  • Hero Member
  • *****
  • Posts: 627
on: Jul 27, 2018
Doppler-shift observations of a spectroscopic binary star can enable astronomers to calculate ________ of its individual stars.
 
  a. the minimum masses
  b. the sizes
  c. both minimum masses and sizes
  d. neither minimum masses nor sizes

Question 2

Compared to a smaller-objective lens, a larger-objective lens makes a star's image
 
  a. brighter.
  b. dimmer.
  c. no effect.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

akemokai

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

a


joe

  • Member
  • Posts: 627
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

kswal303

  • Member
  • Posts: 316
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

The Sun is the nearest star to Earth. The Sun is the nearest star to Earth.
The Structure of an Old Low-Mass Star The Structure of an Old Low-Mass Star
Listening to the fetal heartbeat with a Doppler device. Listening to the fetal heartbeat with a Doppler device.
Drug tolerance: A shift in the dose-response curve to the right as a result of exposure to the drug. Drug tolerance: A shift in the dose-response curve to the right as a result of exposure to the drug.
How to horizontally shift a sinusoidal function (y=a*sin⁡b(x−c)+d) How to horizontally shift a sinusoidal function (y=a*sin⁡b(x−c)+d)
Calculate the given limits eliminating zero denominator algebraicilly Calculate the given limits eliminating zero denominator algebraicilly
Video: Heart Chambers

For a complete list of videos, visit our video library