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 79 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
YES! Correct, THANKS for helping me on my review

cici

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

The Sun as it appears from the surface of Earth during the middle of the day The Sun as it appears from the surface of Earth during the middle of the day
Star-nosed mole Star-nosed mole
Uranus's aurorae against its equatorial rings, imaged by the Hubble telescope. Unlike the auror Uranus's aurorae against its equatorial rings, imaged by the Hubble telescope. Unlike the auror
Circumpolar Star Trails Circumpolar Star Trails
Example of a patient statement. Example of a patient statement.
Humans are related to Earth’s other organisms Humans are related to Earth’s other organisms
Video: Erythropoietin (EPO)

For a complete list of videos, visit our video library