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

Author Question: Spectroscopic and eclipse duration observations of an eclipsing binary star can enable astronomers ... (Read 72 times)

KimWrice

  • Hero Member
  • *****
  • Posts: 579
on: Jul 27, 2018
Spectroscopic and eclipse duration observations of an eclipsing binary star can enable astronomers to calculate________ of its individual stars.
 
  a. the masses
  b. the sizes
  c. the masses and sizes
  d. neither masses nor sizes

Question 2

Which of the waves below has the shortest wavelength?
 
  a. gamma rays
  b. X-rays
  c. visible light
  d. infrared
  e. radio


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Alyson.hiatt@yahoo.com

  • Sr. Member
  • ****
  • Posts: 354
Reply #1 on: Jul 27, 2018
Answer to Question 1

c

Answer to Question 2

a


KimWrice

  • Member
  • Posts: 579
Reply 2 on: Jul 27, 2018
:D TYSM

jordangronback

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

star cluster NGC 6604 star cluster NGC 6604
The asymmetrical appearance of Mira, an oscillating variable star. The asymmetrical appearance of Mira, an oscillating variable star.
Insulin Types and Duration of Action Insulin Types and Duration of Action
A free-running circadian sleep–wake cycle 25.3 hours in duration. Despite living in an unchanging ... A free-running circadian sleep–wake cycle 25.3 hours in duration. Despite living in an unchanging ...
Binary Acids and Their Properties Binary Acids and Their Properties
Comparison of the Duration of Meiosis in Males and Females Comparison of the Duration of Meiosis in Males and Females
Video: Mycobacterium tuberculosis: Drug Resistance and Natural Selection

For a complete list of videos, visit our video library