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

Author Question: A star is 10 parsecs from Earth. Which statement is true? A) The star's apparent magnitude is ... (Read 21 times)

mwit1967

  • Hero Member
  • *****
  • Posts: 501
on: Jul 27, 2018
A star is 10 parsecs from Earth. Which statement is true?
 
  A) The star's apparent magnitude is larger than its absolute magnitude.
  B) The star is about 33 ly away.
  C) The star's parallax is 1.0 arc seconds.
  D) The star's apparent magnitude is smaller than its absolute magnitude.
  E) The star is in a different galaxy.

Question 2

The twinkling of starlight and the focusing of images by lenses are both due to ________ of light.
 
  A) transmission B) refraction C) aberration D) reflection E) polarization


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

leeeep

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

B


mwit1967

  • Member
  • Posts: 501
Reply 2 on: Jul 27, 2018
:D TYSM

matt95

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

A crescent Moon and "star" A crescent Moon and "star"
Hints of Earth’s Early Appearance Hints of Earth’s Early Appearance
Earth’s Spheres Earth’s Spheres
Precession of Earth Precession of Earth
Find the magnitude and the direction of the resultant vector of the two vectors below: Find the magnitude and the direction of the resultant vector of the two vectors below:
Early Earth Early Earth
Video: HIV Infection: Viral life cycle

For a complete list of videos, visit our video library